51. Which one of the following phenomenon is used in optical fibres?
52. The Sun is visible to us a few minutes before the actual sunrise because of
53. The number of colours contained in the Sunlight is
54. If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of mirror is:
55. The change in focal length of an eye lens is caused by the action of the . . . . . . . .
56. The colour of the star is an indication of its
57. . . . . . . . . is also called a diverging mirror-
58. Which of the following radiations has the highest energy per quantum?
59. The relation between focal length and radius of curvature of a mirror is . . . . . . . .
60. The ability of the eye to focus on both, near and distant objects, by adjusting its focal length, is called the . . . . . . . . of the eye.
Read More Section(Light)
Each Section contains maximum 100 MCQs question on Light. To get more questions visit other sections.