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A light beam of diameter sqrt(3R) is inc...

A light beam of diameter `sqrt(3R)` is incident symmetrically on a glass hemisphere of radius R and of refractive index `n=sqrt(3)` . Find radius of the beam at the base of hemisphere.

A

`(R )/(sqrt3)`

B

`(R )/(2sqrt3)`

C

`(sqrt3)/(2)R`

D

`(R )/(2)`

Text Solution

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The correct Answer is:
A
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