KVPY 2019 SA Exam Previous Papers

Question : 16 of 80

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PHYSICS

Various optical processes are involved in the formation of a rainbow. Which of the following provides the correct order in time in which these processes occur ?

Refraction, total internal reflection, refraction.
Total internal reflection, refraction, total internal reflection.
Total internal reflection, refraction, refraction.
Refraction, total internal reflection, total internal reflection.

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