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JEE Main Physics Class 12 Ray Optics and Optical Instruments Part 1 Questions

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Question : 84

Total: 99

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 θ for which the light ray grazes along the wall of the rod is:

sin−1(√3∕2)
sin−1(
2
√3
)
sin−1(
1
√3
)
sin−1(1∕2)

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