JEE Main 2012 — Ray Optics Question with Solution
JEE Main 2012 (07 May Online)
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
Choose an option
Show full solutionCorrect option: A
Correct answer
A(i), (ii) and (iii)
Step-by-step explanation
Rainbow is formed due to the dispersion of light suffering refraction and total internal reflection (TIR) in the droplets present in the atmosphere.
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This is a previous-year question from JEE Main 2012, covering the Ray Optics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.