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A transparent solid cylindrical rod has ...

A transparent solid cylindrical rod has a refractive index of `(2)/(sqrt3)` .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 `theta` for which the light ray grazes along the wall of the rod is:
`

A

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

B

`sin^(-1) ((sqrt3)/(2))`

C

`sin^(-1) ((2)/(sqrt3))`

D

`sin^(-1) ((1)/(sqrt3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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