JEE Main 2009 — Ray Optics Question with Solution
JEE Main 2009
Question
A transparent solid cylindrical rod has a refractive index of . It is surrounded by air. A light ray is incident at the mid point of one end of the rod as shown in the figure.
The incident angle for which the light ray grazes along the wall of the rod is


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Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation

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This is a previous-year question from JEE Main 2009, 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.