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There is a composite solid made up of a ...

There is a composite solid made up of a circular cylinder and on this a hemisphere is fixed. The refractive index of both the solids is `mu`, for a laser beam incident as shown. You are given that the radius of the hemisphere is R and the length of the cylinder is 3R/2 . calculate the final divergence of the ray . `(mu=sqrt3/2)`

A

`15^@`

B

`30^@`

C

`45^@`

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
D
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