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A transparent solid cylindrical rod has ...

A transparent solid cylindrical rod has a refractive index of `(2)/(sqrt(3))`. If is surrounded by air. A light ray is incident at the mid-poin of one end of the rod as shown in the figure.

The incident angle `theta` for which the light ray grazes along the wall of the rod is

A

`sin^(-1)(1//2)`

B

`sin^(-1)(sqrt(3)//2)`

C

`sin^(-1)(2//sqrt(3))`

D

`sin^(-1)(1//sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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