{"id":59,"date":"2023-11-02T10:35:23","date_gmt":"2023-11-02T05:35:23","guid":{"rendered":"https:\/\/ilm.com.pk\/online-test\/?p=59"},"modified":"2023-11-02T10:29:28","modified_gmt":"2023-11-02T05:29:28","slug":"1st-year-physics-chapter-9-mcqs","status":"publish","type":"post","link":"https:\/\/ilm.com.pk\/online-test\/1st-year-physics-chapter-9-mcqs\/","title":{"rendered":"1st Year Physics Chapter 9 MCQs"},"content":{"rendered":"<p style=\"text-align: justify;\">If you are looking for the 1st Year Physics Chapter 9 MCQs with Answers Physical Optics, then here you will find them. This chapter is about light, its properties, and its association with wave nature. The first concept is the wavefront which is the surface where all the points have the same face of vibration. Huygens&#8217;s principle is about the determination of the shape and location of the new wavefront. Then there is the concept of interference of light waves. Young&#8217;s double-slit experiment is very important because that shows the phenomenon of interference. Then there are some applications including Newton&#8217;s rings and Michelson&#8217;s Interferometer. The last topic is polarization. So, let&#8217;s start preparing for this chapter&#8217;s MCQs. You can solve the Quiz given below.<\/p>\n<h2 style=\"text-align: center;\">1st Year Physics Chapter 9 MCQs with Answers Physical Optics<\/h2>\n<div class='ays-quiz-wrap'>\n            <div class='ays-quiz-container ays_quiz_classic_light  '\n                 data-quest-effect='shake' \n                 data-hide-bg-image='false'\n                 id='ays-quiz-container-10'>\n                \n                \n                <div class='ays-questions-container'>\n                    <div class='ays-quiz-some-items-icons-wrap'><\/div>\n                    <span class='ays_quizn_ancnoxneri_qanak'><i class='ays_fa ays_fa_users'><\/i> 241<\/span>\n                    \n                    <form \n                        action='' \n                        method='post' \n                        autocomplete='off'\n                        id='ays_finish_quiz_10' \n                        class='  '\n                    >\n            <input type='hidden' value='list' class='answer_view_class'>\n            <input type='hidden' value='' class='ays_qm_enable_arrows'>\n            \n            <div class='step active-step'>\n                <div class='ays-abs-fs ays-start-page'>\n                    \n                    \n                    <p class='ays-fs-title'>Physics Chapter 9<\/p>\n                    <div class='ays-fs-subtitle'><\/div>\n                    <input type='hidden' name='ays_quiz_id' value='10'\/>\n                    <input type='hidden' name='ays_quiz_questions' value='235,234,233,232,231,230,229,228,227,226,225,224,223,222,221,220,219,218,217,216'>\n                    \n                    <div class='ays_buttons_div'>\n                        <input type='button'   name='next' class='ays_next start_button action-button' value='Start' data-enable-leave-page=\"false\" \/>\n                    <\/div>\n                    \n                    \n                <\/div>\n            <\/div><div class='step  '\n                        data-question-id='235'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>1 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p class=\"MsoListParagraph\" style=\"text-indent: -.25in;line-height: normal;margin: .1pt 0in .0001pt 23.0pt\">Newton\u2019s rings are formed due to<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-235]' id='ays-answer-731-10' value='731'\/>\n\n                <label for='ays-answer-731-10' class='  ays_position_initial '>diffraction<\/label><label for='ays-answer-731-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-235]' id='ays-answer-732-10' value='732'\/>\n\n                <label for='ays-answer-732-10' class='  ays_position_initial '>interference<\/label><label for='ays-answer-732-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-235]' id='ays-answer-733-10' value='733'\/>\n\n                <label for='ays-answer-733-10' class='  ays_position_initial '>polarization<\/label><label for='ays-answer-733-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-235]' id='ays-answer-734-10' value='734'\/>\n\n                <label for='ays-answer-734-10' class='  ays_position_initial '>refraction<\/label><label for='ays-answer-734-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='234'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>2 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>In Young\u2019s double-slit experiment, the fringe spacing is equal to<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-234]' id='ays-answer-727-10' value='727'\/>\n\n                <label for='ays-answer-727-10' class='  ays_position_initial '>\u03bb L \/ d<\/label><label for='ays-answer-727-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-234]' id='ays-answer-728-10' value='728'\/>\n\n                <label for='ays-answer-728-10' class='  ays_position_initial '>d \/ \u03bb L<\/label><label for='ays-answer-728-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-234]' id='ays-answer-729-10' value='729'\/>\n\n                <label for='ays-answer-729-10' class='  ays_position_initial '>\u03bb d \/ L<\/label><label for='ays-answer-729-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-234]' id='ays-answer-730-10' value='730'\/>\n\n                <label for='ays-answer-730-10' class='  ays_position_initial '>2\u03bb L \/ d<\/label><label for='ays-answer-730-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='233'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>3 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>\ud835\udc51 sin \ud835\udf03 = \ud835\udc5a\ud835\udf06 is called:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-233]' id='ays-answer-723-10' value='723'\/>\n\n                <label for='ays-answer-723-10' class='  ays_position_initial '>Laplace\u2019s equation<\/label><label for='ays-answer-723-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-233]' id='ays-answer-724-10' value='724'\/>\n\n                <label for='ays-answer-724-10' class='  ays_position_initial '>Slit Diffraction Condition<\/label><label for='ays-answer-724-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-233]' id='ays-answer-725-10' value='725'\/>\n\n                <label for='ays-answer-725-10' class='  ays_position_initial '>Refraction equation<\/label><label for='ays-answer-725-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-233]' id='ays-answer-726-10' value='726'\/>\n\n                <label for='ays-answer-726-10' class='  ays_position_initial '>Bragg\u2019s equation<\/label><label for='ays-answer-726-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='232'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>4 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>2\ud835\udc51 sin \ud835\udf03 = \ud835\udc5a\ud835\udf06 is called:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-232]' id='ays-answer-719-10' value='719'\/>\n\n                <label for='ays-answer-719-10' class='  ays_position_initial '>Laplace\u2019s equation<\/label><label for='ays-answer-719-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-232]' id='ays-answer-720-10' value='720'\/>\n\n                <label for='ays-answer-720-10' class='  ays_position_initial '>Reflection equation<\/label><label for='ays-answer-720-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-232]' id='ays-answer-721-10' value='721'\/>\n\n                <label for='ays-answer-721-10' class='  ays_position_initial '>Refraction equation<\/label><label for='ays-answer-721-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-232]' id='ays-answer-722-10' value='722'\/>\n\n                <label for='ays-answer-722-10' class='  ays_position_initial '>Bragg\u2019s equation<\/label><label for='ays-answer-722-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='231'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>5 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p class=\"MsoListParagraph\" style=\"text-indent: -.25in;line-height: normal;margin: 0in 1.9pt .0001pt 23.0pt\">A light ray traveling from denser to rarer medium suffers a phase change of:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-231]' id='ays-answer-715-10' value='715'\/>\n\n                <label for='ays-answer-715-10' class='  ays_position_initial '>0\u00b0<\/label><label for='ays-answer-715-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-231]' id='ays-answer-716-10' value='716'\/>\n\n                <label for='ays-answer-716-10' class='  ays_position_initial '>90\u00b0<\/label><label for='ays-answer-716-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-231]' id='ays-answer-717-10' value='717'\/>\n\n                <label for='ays-answer-717-10' class='  ays_position_initial '>180\u00b0<\/label><label for='ays-answer-717-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-231]' id='ays-answer-718-10' value='718'\/>\n\n                <label for='ays-answer-718-10' class='  ays_position_initial '>45\u00b0<\/label><label for='ays-answer-718-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='230'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>6 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>A light ray traveling from rarer to denser medium suffers a phase change of:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-230]' id='ays-answer-711-10' value='711'\/>\n\n                <label for='ays-answer-711-10' class='  ays_position_initial '>60\u00b0<\/label><label for='ays-answer-711-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-230]' id='ays-answer-712-10' value='712'\/>\n\n                <label for='ays-answer-712-10' class='  ays_position_initial '>90\u00b0<\/label><label for='ays-answer-712-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-230]' id='ays-answer-713-10' value='713'\/>\n\n                <label for='ays-answer-713-10' class='  ays_position_initial '>180\u00b0<\/label><label for='ays-answer-713-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-230]' id='ays-answer-714-10' value='714'\/>\n\n                <label for='ays-answer-714-10' class='  ays_position_initial '>45\u00b0<\/label><label for='ays-answer-714-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='229'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>7 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>Soap film exhibit brilliant colors in sunlight due to:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-229]' id='ays-answer-707-10' value='707'\/>\n\n                <label for='ays-answer-707-10' class='  ays_position_initial '>Dispersion of light<\/label><label for='ays-answer-707-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-229]' id='ays-answer-708-10' value='708'\/>\n\n                <label for='ays-answer-708-10' class='  ays_position_initial '>Interference of light<\/label><label for='ays-answer-708-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-229]' id='ays-answer-709-10' value='709'\/>\n\n                <label for='ays-answer-709-10' class='  ays_position_initial '>Diffraction of light<\/label><label for='ays-answer-709-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-229]' id='ays-answer-710-10' value='710'\/>\n\n                <label for='ays-answer-710-10' class='  ays_position_initial '>Scattering of light<\/label><label for='ays-answer-710-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='228'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>8 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p class=\"MsoListParagraph\" style=\"line-height: normal;margin: .05pt 9.5pt .0001pt 23.0pt\">The appearance of Color in thin films is due <span style=\"letter-spacing: -.3pt\">to<\/span><\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-228]' id='ays-answer-703-10' value='703'\/>\n\n                <label for='ays-answer-703-10' class='  ays_position_initial '>Diffraction<\/label><label for='ays-answer-703-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-228]' id='ays-answer-704-10' value='704'\/>\n\n                <label for='ays-answer-704-10' class='  ays_position_initial '>Dispersion<\/label><label for='ays-answer-704-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-228]' id='ays-answer-705-10' value='705'\/>\n\n                <label for='ays-answer-705-10' class='  ays_position_initial '>Interference<\/label><label for='ays-answer-705-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-228]' id='ays-answer-706-10' value='706'\/>\n\n                <label for='ays-answer-706-10' class='  ays_position_initial '>Polarization<\/label><label for='ays-answer-706-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='227'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>9 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p class=\"MsoListParagraph\" style=\"line-height: normal;margin: 4.55pt 10.05pt .0001pt 23.0pt\"><!--[endif]-->When Newton\u2019s rings are observed with transmitted light, the central spot is:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-227]' id='ays-answer-699-10' value='699'\/>\n\n                <label for='ays-answer-699-10' class='  ays_position_initial '>Red<\/label><label for='ays-answer-699-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-227]' id='ays-answer-700-10' value='700'\/>\n\n                <label for='ays-answer-700-10' class='  ays_position_initial '>Blue<\/label><label for='ays-answer-700-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-227]' id='ays-answer-701-10' value='701'\/>\n\n                <label for='ays-answer-701-10' class='  ays_position_initial '>Dark<\/label><label for='ays-answer-701-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-227]' id='ays-answer-702-10' value='702'\/>\n\n                <label for='ays-answer-702-10' class='  ays_position_initial '>Bright<\/label><label for='ays-answer-702-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='226'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>10 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p class=\"MsoListParagraph\" style=\"line-height: normal;margin: 2.35pt 10.1pt .0001pt 23.0pt\">When Newton\u2019s rings are observed with reflected light, the central spot is:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-226]' id='ays-answer-695-10' value='695'\/>\n\n                <label for='ays-answer-695-10' class='  ays_position_initial '>Red<\/label><label for='ays-answer-695-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-226]' id='ays-answer-696-10' value='696'\/>\n\n                <label for='ays-answer-696-10' class='  ays_position_initial '>Blue<\/label><label for='ays-answer-696-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-226]' id='ays-answer-697-10' value='697'\/>\n\n                <label for='ays-answer-697-10' class='  ays_position_initial '>Dark<\/label><label for='ays-answer-697-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-226]' id='ays-answer-698-10' value='698'\/>\n\n                <label for='ays-answer-698-10' class='  ays_position_initial '>Bright<\/label><label for='ays-answer-698-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='225'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>11 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>The center of Newton\u2019s rings is<u> <\/u> due to destructive interference:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-225]' id='ays-answer-691-10' value='691'\/>\n\n                <label for='ays-answer-691-10' class='  ays_position_initial '>Bright<\/label><label for='ays-answer-691-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-225]' id='ays-answer-692-10' value='692'\/>\n\n                <label for='ays-answer-692-10' class='  ays_position_initial '>Dark<\/label><label for='ays-answer-692-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-225]' id='ays-answer-693-10' value='693'\/>\n\n                <label for='ays-answer-693-10' class='  ays_position_initial '>Colorless<\/label><label for='ays-answer-693-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-225]' id='ays-answer-694-10' value='694'\/>\n\n                <label for='ays-answer-694-10' class='  ays_position_initial '>Red<\/label><label for='ays-answer-694-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='224'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>12 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>In Young's double-slit experiment, if white light is used:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-224]' id='ays-answer-687-10' value='687'\/>\n\n                <label for='ays-answer-687-10' class='  ays_position_initial '>Alternate dark and bright fringes will be seen<\/label><label for='ays-answer-687-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-224]' id='ays-answer-688-10' value='688'\/>\n\n                <label for='ays-answer-688-10' class='  ays_position_initial '>Colored fringes will be seen<\/label><label for='ays-answer-688-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-224]' id='ays-answer-689-10' value='689'\/>\n\n                <label for='ays-answer-689-10' class='  ays_position_initial '>No interference fringes will be seen<\/label><label for='ays-answer-689-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-224]' id='ays-answer-690-10' value='690'\/>\n\n                <label for='ays-answer-690-10' class='  ays_position_initial '>Impossible to predict<\/label><label for='ays-answer-690-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='223'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>13 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>In Young\u2019s double-slit experiment, the distance between two adjacent bright fringes, \u2206\ud835\udc66 is:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-223]' id='ays-answer-683-10' value='683'\/>\n\n                <label for='ays-answer-683-10' class='  ays_position_initial '>2\ud835\udf06L\/d<\/label><label for='ays-answer-683-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-223]' id='ays-answer-684-10' value='684'\/>\n\n                <label for='ays-answer-684-10' class='  ays_position_initial '>3 \ud835\udf06L\/d<\/label><label for='ays-answer-684-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-223]' id='ays-answer-685-10' value='685'\/>\n\n                <label for='ays-answer-685-10' class='  ays_position_initial '>\ud835\udf06L\/2d<\/label><label for='ays-answer-685-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-223]' id='ays-answer-686-10' value='686'\/>\n\n                <label for='ays-answer-686-10' class='  ays_position_initial '>\ud835\udf06L\/d<\/label><label for='ays-answer-686-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='222'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>14 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p><strong>The condition for destructive interference of two coherent beams is that the path difference should be<\/strong><\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-222]' id='ays-answer-679-10' value='679'\/>\n\n                <label for='ays-answer-679-10' class='  ays_position_initial '>Integral multiple of \u03bb\/2<\/label><label for='ays-answer-679-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-222]' id='ays-answer-680-10' value='680'\/>\n\n                <label for='ays-answer-680-10' class='  ays_position_initial '>Integral multiple of \u03bb<\/label><label for='ays-answer-680-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-222]' id='ays-answer-681-10' value='681'\/>\n\n                <label for='ays-answer-681-10' class='  ays_position_initial '>Odd Integral multiple of \u03bb\/2<\/label><label for='ays-answer-681-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-222]' id='ays-answer-682-10' value='682'\/>\n\n                <label for='ays-answer-682-10' class='  ays_position_initial '>Even integral multiple of \u03bb<\/label><label for='ays-answer-682-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='221'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>15 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>The condition for constructive interference of two coherent beams is that the path difference should be<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-221]' id='ays-answer-675-10' value='675'\/>\n\n                <label for='ays-answer-675-10' class='  ays_position_initial '>Integral multiple of \u03bb\/2<\/label><label for='ays-answer-675-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-221]' id='ays-answer-676-10' value='676'\/>\n\n                <label for='ays-answer-676-10' class='  ays_position_initial '>Integral multiple of \u03bb<\/label><label for='ays-answer-676-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-221]' id='ays-answer-677-10' value='677'\/>\n\n                <label for='ays-answer-677-10' class='  ays_position_initial '>Odd Integral multiple of \u03bb\/2<\/label><label for='ays-answer-677-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-221]' id='ays-answer-678-10' value='678'\/>\n\n                <label for='ays-answer-678-10' class='  ays_position_initial '>Even integral multiple of \u03bb<\/label><label for='ays-answer-678-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='220'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>16 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>When the crest of one wave falls over the trough of the other wave, this phenomenon is known as<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-220]' id='ays-answer-671-10' value='671'\/>\n\n                <label for='ays-answer-671-10' class='  ays_position_initial '>Polarization<\/label><label for='ays-answer-671-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-220]' id='ays-answer-672-10' value='672'\/>\n\n                <label for='ays-answer-672-10' class='  ays_position_initial '>Constructive interference<\/label><label for='ays-answer-672-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-220]' id='ays-answer-673-10' value='673'\/>\n\n                <label for='ays-answer-673-10' class='  ays_position_initial '>Destructive interference<\/label><label for='ays-answer-673-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-220]' id='ays-answer-674-10' value='674'\/>\n\n                <label for='ays-answer-674-10' class='  ays_position_initial '>Diffraction<\/label><label for='ays-answer-674-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='219'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>17 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>Sodium chloride in a flame gives out pure:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-219]' id='ays-answer-667-10' value='667'\/>\n\n                <label for='ays-answer-667-10' class='  ays_position_initial '>Blue light<\/label><label for='ays-answer-667-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-219]' id='ays-answer-668-10' value='668'\/>\n\n                <label for='ays-answer-668-10' class='  ays_position_initial '>Yellow light<\/label><label for='ays-answer-668-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-219]' id='ays-answer-669-10' value='669'\/>\n\n                <label for='ays-answer-669-10' class='  ays_position_initial '>Red light<\/label><label for='ays-answer-669-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-219]' id='ays-answer-670-10' value='670'\/>\n\n                <label for='ays-answer-670-10' class='  ays_position_initial '>White light<\/label><label for='ays-answer-670-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='218'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>18 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>Two sources of light are coherent if they emit rays of<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-218]' id='ays-answer-663-10' value='663'\/>\n\n                <label for='ays-answer-663-10' class='  ays_position_initial '>Same wavelength<\/label><label for='ays-answer-663-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-218]' id='ays-answer-664-10' value='664'\/>\n\n                <label for='ays-answer-664-10' class='  ays_position_initial '>The same amplitude of vibration<\/label><label for='ays-answer-664-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-218]' id='ays-answer-665-10' value='665'\/>\n\n                <label for='ays-answer-665-10' class='  ays_position_initial '>Same wavelength with a constant phase difference<\/label><label for='ays-answer-665-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-218]' id='ays-answer-666-10' value='666'\/>\n\n                <label for='ays-answer-666-10' class='  ays_position_initial '>Same amplitude and wavelength<\/label><label for='ays-answer-666-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='217'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>19 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p>Which one of the following is nearly monochromatic light?<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-217]' id='ays-answer-659-10' value='659'\/>\n\n                <label for='ays-answer-659-10' class='  ays_position_initial '>Light form fluorescent tube<\/label><label for='ays-answer-659-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-217]' id='ays-answer-660-10' value='660'\/>\n\n                <label for='ays-answer-660-10' class='  ays_position_initial '>Light form sodium lamp<\/label><label for='ays-answer-660-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-217]' id='ays-answer-661-10' value='661'\/>\n\n                <label for='ays-answer-661-10' class='  ays_position_initial '>Light form neon lamp<\/label><label for='ays-answer-661-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-217]' id='ays-answer-662-10' value='662'\/>\n\n                <label for='ays-answer-662-10' class='  ays_position_initial '>Light form a simple lamp<\/label><label for='ays-answer-662-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_previous action-button ays_display_none' value='Prev' \/>\n                        \n                        <i class=\"ays_fa ays_fa_arrow_right ays_next action-button ays_arrow ays_next_arrow ays_display_none\"><\/i>\n                        <input type='button' name='next' class='ays_next action-button ays_display_none' value='Next' \/>\n                    <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step  '\n                        data-question-id='216'\n                        data-type='radio'\n                        data-required='false'>\n                        \n                        <p class='ays-question-counter animated'>20 \/ 20<\/p>\n                        <div class='ays-abs-fs'>\n                            \n                            <div class='ays_quiz_question'>\n                                <p class=\"MsoListParagraph\" style=\"text-indent: -.25in;line-height: normal;margin: 0in 4.55pt .0001pt 23.0pt\"><!-- [if !supportLists]-->The distance between two consecutive wave fronts is called:<\/p>\n\n                            <\/div>\n                            \n                            <div class='ays-quiz-answers ays_list_view_container  '>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-216]' id='ays-answer-655-10' value='655'\/>\n\n                <label for='ays-answer-655-10' class='  ays_position_initial '>Time period<\/label><label for='ays-answer-655-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-216]' id='ays-answer-656-10' value='656'\/>\n\n                <label for='ays-answer-656-10' class='  ays_position_initial '>Frequency<\/label><label for='ays-answer-656-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='1'\/>\n\n                <input type='radio' name='ays_questions[ays-question-216]' id='ays-answer-657-10' value='657'\/>\n\n                <label for='ays-answer-657-10' class='  ays_position_initial '>Wavelength<\/label><label for='ays-answer-657-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div>\n            <div class='ays-field ays_list_view_item'>\n                <input type='hidden' name='ays_answer_correct[]' value='0'\/>\n\n                <input type='radio' name='ays_questions[ays-question-216]' id='ays-answer-658-10' value='658'\/>\n\n                <label for='ays-answer-658-10' class='  ays_position_initial '>Displacement<\/label><label for='ays-answer-658-10' class='ays_answer_image ays_empty_before_content'><\/label>\n\n                \n\n            <\/div><\/div>\n                            \n                            \n                            <div class='ays_buttons_div'>\n                            \n                            <i class=\"ays_fa ays_fa_arrow_left ays_previous action-button ays_arrow ays_display_none\"><\/i>\n                            <input type='button' name='next' class='ays_previous action-button ays_display_none'  value='Prev' \/>\n                            <i class='ays_display_none ays_fa ays_fa_flag_checkered ays_finish action-button ays_arrow ays_next_arrow'><\/i><input type='submit' name='ays_finish_quiz' class=' ays_display_none ays_next ays_finish action-button' value='See Result'\/>\n                        <\/div>\n                            \n                            <div class='wrong_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='right_answer_text ays_do_not_show' style='display:none'>\n                                \n                            <\/div>\n                            <div class='ays_questtion_explanation' style='display:none'>\n                                \n                            <\/div>\n                            \n                        <\/div>\n                    <\/div><div class='step ays_thank_you_fs'>\n            <div class='ays-abs-fs ays-end-page'>\n            <div style='text-align:center;'><div data-class='lds-ellipsis' data-role='loader' class='ays-loader'><div><\/div><div><\/div><div><\/div><div><\/div><\/div><\/div><div class='ays_quiz_results_page'><div class='ays_score_message'><\/div><div class='ays_message'><\/div><p class='ays_score ays_score_display_none animated'>Your score is <\/p><div class='ays-quiz-social-shares'><div class='ays-quiz-social-shares-heading'><\/div>\n                    <!-- Branded LinkedIn button -->\n                    <a class='ays-share-btn ays-to-share ays-share-btn-branded ays-share-btn-linkedin'\n                       href='https:\/\/www.linkedin.com\/shareArticle?mini=true&url=https:\/\/ilm.com.pk\/online-test\/wp-json\/wp\/v2\/posts\/59'\n                       title='Share on LinkedIn'>\n                        <span class='ays-quiz-share-btn-icon'><\/span>\n                        <span class='ays-share-btn-text'>LinkedIn<\/span>\n                    <\/a>\n                    <!-- Branded Facebook button -->\n                    <a class='ays-share-btn ays-to-share ays-share-btn-branded ays-share-btn-facebook'\n                       href='https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/ilm.com.pk\/online-test\/wp-json\/wp\/v2\/posts\/59'\n                       title='Share on Facebook'>\n                        <span class='ays-quiz-share-btn-icon'><\/span>\n                        <span class='ays-share-btn-text'>Facebook<\/span>\n                    <\/a>\n                <!-- Branded Twitter button -->\n                <a class='ays-share-btn ays-to-share ays-share-btn-branded ays-share-btn-twitter'\n                   href='https:\/\/twitter.com\/share?url=https:\/\/ilm.com.pk\/online-test\/wp-json\/wp\/v2\/posts\/59'\n                   title='Share on Twitter'>\n                    <span class='ays-quiz-share-btn-icon'><\/span>\n                    <span class='ays-share-btn-text'>Twitter<\/span>\n                <\/a>\n                <!-- Branded VK button -->\n                <a class='ays-share-btn ays-to-share ays-share-btn-branded ays-share-btn-vkontakte'\n                   href='https:\/\/vk.com\/share.php?url=https:\/\/ilm.com.pk\/online-test\/wp-json\/wp\/v2\/posts\/59'\n                   title='Share on VKontakte'>\n                    <span class='ays-quiz-share-btn-icon'><\/span>\n                    <span class='ays-share-btn-text'>VKontakte<\/span>\n                <\/a><\/div><p class='ays_restart_button_p'><\/p><\/div><\/div><\/div><style> div#ays-quiz-container-10 * { box-sizing: border-box; } \/* Styles for Internet Explorer start *\/ #ays-quiz-container-10 #ays_finish_quiz_10 { } \/* Styles for Quiz container *\/ #ays-quiz-container-10{ min-height: 350px; width:400px; background-color:#fff; background-position:center center;border-radius:0px 0px 0px 0px;box-shadow: 0px 0px 15px 1px rgba(0,0,0,0.4);border: none;} \/* Styles for Navigation bar *\/ #ays-quiz-questions-nav-wrap-10 { width: 100%;border-radius:0px 0px 0px 0px;box-shadow: 0px 0px 15px 1px rgba(0,0,0,0.4);border: none;} #ays-quiz-questions-nav-wrap-10 .ays-quiz-questions-nav-content .ays-quiz-questions-nav-item a.ays_questions_nav_question { color: #000; border-color: #000; background-color: #fff; } #ays-quiz-questions-nav-wrap-10 .ays-quiz-questions-nav-content .ays-quiz-questions-nav-item.ays-quiz-questions-nav-item-active a.ays_questions_nav_question { box-shadow: inset 0 0 5px #000, 0 0 5px #000; } #ays-quiz-questions-nav-wrap-10 .ays-quiz-questions-nav-content .ays-quiz-questions-nav-item.ays-quiz-questions-nav-item-answered a.ays_questions_nav_question { color: #fff; border-color: #fff; background-color: #000; } #ays-quiz-questions-nav-wrap-10 .ays-quiz-questions-nav-content .ays-quiz-questions-nav-item a.ays_questions_nav_question.ays_quiz_correct_answer { color: rgba(39, 174, 96, 1); border-color: rgba(39, 174, 96, 1); background-color: rgba(39, 174, 96, 0.4); } #ays-quiz-questions-nav-wrap-10 .ays-quiz-questions-nav-content .ays-quiz-questions-nav-item a.ays_questions_nav_question.ays_quiz_wrong_answer { color: rgba(243, 134, 129, 1); border-color: 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font-weight: inherit !important; float: none !important; line-height: inherit !important; margin: 0 !important; padding: 0 !important; } #ays-quiz-container-10 .select2-container, #ays-quiz-container-10 .ays-field * { font-size: 15px !important; } #ays-quiz-container-10 .ays-fs-subtitle p { text-align: center ; } #ays-quiz-container-10 .ays_quiz_question p { font-size: 16px; text-align: center; } #ays-quiz-container-10 .ays_quiz_question { text-align: center ; margin-bottom: 10px; } #ays-quiz-container-10 .ays_quiz_question pre { max-width: 100%; white-space: break-spaces; } div#ays-quiz-container-10 .ays-questions-container .ays-field, div#ays-quiz-container-10 .ays-questions-container .ays-field input~label[for^='ays-answer-'], div#ays-quiz-container-10 .ays-questions-container .ays-modern-dark-question *, div#ays-quiz-container-10 .ays-questions-container .ays_quiz_question, div#ays-quiz-container-10 .ays-questions-container .ays_quiz_question *{ word-break: break-word; } 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margin: 0 10px; outline: initial; -webkit-appearance: auto; -moz-appearance: auto; position: initial; width: initial; height: initial; border: initial; background: initial; } #ays-quiz-container-10 .information_form input[type='checkbox']::after { content: none; } #ays-quiz-container-10 .wrong_answer_text{ color:#ff4d4d; } #ays-quiz-container-10 .right_answer_text{ color:#33cc33; } #ays-quiz-container-10 .ays_cb_and_a, #ays-quiz-container-10 .ays_cb_and_a * { color: rgb(0,0,0); text-align: center; } #ays-quiz-container-10 iframe { \/*min-height: 350px;*\/ } #ays-quiz-container-10 label.ays_for_checkbox, #ays-quiz-container-10 span.ays_checkbox_for_span { color: initial !important; display: block; } \/* Quiz textarea height *\/ #ays-quiz-container-10 textarea { height: 100px; min-height: 100px; } \/* Quiz rate and passed users count *\/ #ays-quiz-container-10 .ays_quizn_ancnoxneri_qanak, #ays-quiz-container-10 .ays_quiz_rete_avg{ color:#fff; background-color:#000; } #ays-quiz-container-10 .ays-questions-container > .ays_quizn_ancnoxneri_qanak { padding: 5px 20px; } #ays-quiz-container-10 div.for_quiz_rate.ui.star.rating .icon { color: rgba(0,0,0,0.35); } #ays-quiz-container-10 .ays_quiz_rete_avg div.for_quiz_rate_avg.ui.star.rating .icon { color: rgba(255,255,255,0.5); } #ays-quiz-container-10 .ays_quiz_rete .ays-quiz-rate-link-box .ays-quiz-rate-link { color: #000; } \/* Loaders *\/ #ays-quiz-container-10 div.lds-spinner, #ays-quiz-container-10 div.lds-spinner2 { color: #000; } #ays-quiz-container-10 div.lds-spinner div:after, #ays-quiz-container-10 div.lds-spinner2 div:after { background-color: #000; } #ays-quiz-container-10 .lds-circle, #ays-quiz-container-10 .lds-facebook div, #ays-quiz-container-10 .lds-ellipsis div{ background: #000; } #ays-quiz-container-10 .lds-ripple div{ border-color: #000; } #ays-quiz-container-10 .lds-dual-ring::after, #ays-quiz-container-10 .lds-hourglass::after{ border-color: #000 transparent #000 transparent; } \/* 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Sound *\/ #ays-quiz-container-10 .ays_music_sound { color:rgb(0,0,0); } \/* Dropdown questions scroll bar *\/ #ays-quiz-container-10 blockquote { border-left-color: #000 !important; } \/* Question hint *\/ #ays-quiz-container-10 .ays_question_hint_container .ays_question_hint_text { background-color:#fff; box-shadow: 0 0 15px 3px rgba(0,0,0,0.6); max-width: 270px; } #ays-quiz-container-10 .ays_question_hint_container .ays_question_hint_text p { max-width: unset; } #ays-quiz-container-10 .ays_questions_hint_max_width_class { max-width: 80%; } \/* Information form *\/ #ays-quiz-container-10 .ays-form-title{ color:rgb(0,0,0); } \/* Quiz timer *\/ #ays-quiz-container-10 div.ays-quiz-redirection-timer, #ays-quiz-container-10 div.ays-quiz-timer{ color: #000; text-align: center; } #ays-quiz-container-10 div.ays-quiz-timer.ays-quiz-message-before-timer:before { font-weight: 500; } \/* Quiz buttons *\/ #ays-quiz-container-10 input#ays-submit, #ays-quiz-container-10 #ays_finish_quiz_10 .action-button, div#ays-quiz-container-10 #ays_finish_quiz_10 .action-button.ays_restart_button { background-color: #27AE60; color:#333; font-size: 17px; padding: 10px 20px; border-radius: 3px; white-space: nowrap; letter-spacing: 0; box-shadow: unset; } #ays-quiz-container-10 input#ays-submit, #ays-quiz-container-10 #ays_finish_quiz_10 input.action-button { } #ays-quiz-container-10 #ays_finish_quiz_10 a[class~=ajax_add_to_cart]{ background-color: #fff; color:#333; padding: 10px 5px; font-size: 14px; border-radius: 3px; white-space: nowrap; border: 1px solid #333; } #ays-quiz-container-10 #ays_finish_quiz_10 .action-button.ays_check_answer { padding: 5px 10px; font-size: 17px !important; } #ays-quiz-container-10 #ays_finish_quiz_10 .action-button.ays_download_certificate { white-space: nowrap; padding: 5px 10px; } #ays-quiz-container-10 #ays_finish_quiz_10 .action-button.ays_arrow { color:#333!important; white-space: nowrap; padding: 5px 10px; } #ays-quiz-container-10 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input~label.answered.wrong:after{ content: url('https:\/\/ilm.com.pk\/online-test\/wp-content\/plugins\/quiz-maker\/public\/images\/wrong.png'); } #ays-quiz-container-10 .ays-field label.answered:last-of-type:after{ height: auto; left: 10px;top: 10px;} \/* Dropdown questions *\/ #ays-quiz-container-10 .select2-container--default .select2-search--dropdown .select2-search__field:focus, #ays-quiz-container-10 .select2-container--default .select2-search--dropdown .select2-search__field { outline: unset; padding: 0.75rem; } #ays-quiz-container-10 #ays_finish_quiz_10 .ays-field .select2-container--default .select2-selection--single { border-bottom: 2px solid #27AE60; background-color: #27AE60; } #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__rendered, #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__placeholder, #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__arrow { color: #d8519f; } #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__rendered, #ays-quiz-container-10 .select2-container--default .select2-results__option--highlighted[aria-selected] { background-color: #27AE60; } #ays-quiz-container-10 .ays-field .select2-container--default, #ays-quiz-container-10 .ays-field .select2-container--default .selection, #ays-quiz-container-10 .ays-field .select2-container--default .dropdown-wrapper, #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__rendered, #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__rendered .select2-selection__placeholder, #ays-quiz-container-10 .ays-field .select2-container--default .select2-selection--single .select2-selection__arrow, #ays-quiz-container-10 .ays-field 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