{"id":5414,"date":"2024-05-23T05:41:54","date_gmt":"2024-05-23T04:41:54","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=5414"},"modified":"2024-05-23T08:09:35","modified_gmt":"2024-05-23T07:09:35","slug":"light-set-2","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-2\/","title":{"rendered":"Light Set &#8211; 2"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-text-align-right has-vivid-purple-color has-text-color has-link-color has-larger-font-size wp-elements-539908efa8d97b06e95d3f6e3b3f366a\"><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/light-set-1\/\" title=\"\">Prev<\/a>       <strong><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/light-set-1\/\" title=\"\">1<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-2\/\" title=\"\">2<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-3\/\" title=\"\">3<\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/04\/noun-set-3\/\" title=\"\"> <\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-4\/\" title=\"\">4<\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/06\/noun-set-5\/\" title=\"\"> <\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-5\/\" title=\"\">5<\/a><\/strong>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-3\/\" title=\"\">Next<\/a><\/h1>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-text-align-left wp-element-button\" href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-quiz-2\/\">mock test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>11. Which are not complementary colours?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. Red and cyan&nbsp;&nbsp;&nbsp;<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Red and magenta<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong><strong>Green and yellow<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong><strong>Green and magenta<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION :Red and magenta** are not complementary colors. \n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>12. When a light wave is reflected from a mirror, there is a change in its ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong>Frequency<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong><strong>Amplitude<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong>Wavelength<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. V<strong><strong>elocity<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION:The focal length of a normal human eye lens is about 2 cm or 20 mm when the eye is relaxed. Focal length is the distance between the eye lens and the retina, which acts as a screen on which the real image is formed.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>13. Which colour is the complementary colour of yellow?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>Blue<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Green<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Orange<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>Red<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A<BR>\nSOLUTION:Bright yellow is also commanding next to blue, which is its complementary color on the color wheel.\n  <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>14. Televisions signals cannot be received beyond a certain distance because________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A.  Signals are weak&nbsp;&nbsp;&nbsp;<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong><strong><strong>Antenna is weak<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong>Air absorbs signals<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. The surface of the earth is curved<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:D<BR>\nSOLUTION:The signal transmitted from a TV tower cannot be received beyond a certain distance because the surface of the Earth is curved. Signal waves transmitted from a transmitter get absorbed or blocked by the curvature of Earth and are not received.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>15. In which year did Ole Roemer measure the speed of light for the first time in history?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong>1776<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong>1676<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong>1876<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>1867<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION:In 1676, the Danish astronomer Ole Roemer (1644\u20131710) became the first person to measure the speed of light. Roemer measured the speed of light by timing eclipses of Jupiter&#8217;s moon Io.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>16. The minimum height of mirror , required to see whole stand up image of a man of height 1.50 meter shall be ________.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong>0.75 metre<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. 1.00 metre<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>1.50 metre<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong><strong><strong><strong>3.00 metre <\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A<BR>\nSOLUTION :Light enters the eye through a thin, transparent, dome-shaped membrane called the cornea. The cornea is the clear front layer of the eye that bends light to help the eye focus.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>17. Image formed by the actual intersection of reflecting rays  ( which we see on the screen ) _____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong>Virtual<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong><strong><strong><strong><strong><strong><strong>Imaginary<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong>Probable<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. &nbsp;<strong><strong><strong><strong><strong><strong><strong>Real<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:D<BR>\nSOLUTION:A real image is formed when reflecting rays actually intersect, rather than appearing to meet at a point. A real image can be obtained on a screen. \n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>18. Which of the following is used to take 3 &#8211; dimensional pictures?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong><strong><strong><strong><strong>Photography<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong>Holography<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong><strong><strong><strong><strong><strong>Radiography<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>None of these<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION: Holography\nUses an interference pattern to encode a light field, which diffracts light into a reproduction of the original light field when lit. This creates a 3D image without the need for special glasses or objects. The result of holography is called a hologram.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>19. Which of the following types of the mirror is used to see the traffic behind the car ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong>Convex mirror<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Concave mirror<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. Plane mirror<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong><strong><strong><strong>Spherical mirror<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A<BR>\nSOLUTION: In motor vehicles, a convex mirror is attached near the driver&#8217;s seat to give him the view of the traffic behind.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>20. A spoon which looks bent in water is an example of which of the following ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong>Reflection<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong>Refraction<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong>Retention<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>Focus<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION: The spoon appears bent in a glass of water due to refraction, the change in direction of light waves as they pass from one medium into another.\n <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-text-align-left wp-element-button\" href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-quiz-2\/\">mock test<\/a><\/div>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-right has-vivid-purple-color has-text-color has-link-color has-larger-font-size wp-elements-539908efa8d97b06e95d3f6e3b3f366a\"><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/light-set-1\/\" title=\"\">Prev<\/a>       <strong><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/light-set-1\/\" title=\"\">1<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-2\/\" title=\"\">2<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-3\/\" title=\"\">3<\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/04\/noun-set-3\/\" title=\"\"> <\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-4\/\" title=\"\">4<\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/06\/noun-set-5\/\" title=\"\"> <\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-5\/\" title=\"\">5<\/a><\/strong>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/23\/light-set-3\/\" title=\"\">Next<\/a><\/h1>\n","protected":false},"excerpt":{"rendered":"<p>Prev 1 2 3 4 5 Next 11. Which are not complementary colours? A. Red and cyan&nbsp;&nbsp;&nbsp; B. Red and magenta C. Green and yellow D. Green and magenta ANSWER &#038; SOLUTION ANSWER:B SOLUTION :Red and magenta** are not complementary colors. 12. When a light wave is reflected from a mirror, there is a change<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[3107,3102,3101,3099,3095,3100,3105,3106],"class_list":{"0":"post-5414","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-physics","7":"tag-a-spoon-which-looks-bent-in-water-is-an-example-of-which-of-the-following","8":"tag-in-which-year-did-ole-roemer-measure-the-speed-of-light-for-the-first-time-in-history","9":"tag-televisions-signals-cannot-be-received-beyond-a-certain-distance-because________","10":"tag-when-a-light-wave-is-reflected-from-a-mirror-there-is-a-change-in-its-________","11":"tag-which-are-not-complementary-colours","12":"tag-which-colour-is-the-complementary-colour-of-yellow","13":"tag-which-of-the-following-is-used-to-take-3-dimensional-pictures","14":"tag-which-of-the-following-types-of-the-mirror-is-used-to-see-the-traffic-behind-the-car"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/5414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=5414"}],"version-history":[{"count":2,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/5414\/revisions"}],"predecessor-version":[{"id":5489,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/5414\/revisions\/5489"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=5414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=5414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=5414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}