Ray Optics and Optical Instruments - Result Question 51
53. Pick the wrong answer in the context with rainbow.
[2019]
(a) When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed.
(b) The order of colours is reversed in the secondary rainbow.
(c) An observer can see a rainbow when his front is towards the sun.
(d) Rainbow is a combined effect of dispersion, refraction and reflection of sunlight.
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Answer:
Correct Answer: 53. (c)
Solution:
- (c) Rainbow will be observed only when the sun is at the back side of observer.