JEE Main 2012 Physics question

Which of the following processes play a part in the formation of a rainbow? (i) Refraction (ii) Total internal reflection (iii) Dispersion (iv) Interference

(1)(i), (ii) and (iii)Correct
(2)(i) and (ii)
(3)(i), (ii) and (iv)
(4)(iii) and (iv)

Answer: (1)

Solution

In a raindrop, sunlight is refracted and dispersed on entry, internally reflected at the back of the drop, and refracted again on

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Question ID VK-103377