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Angle of deviation for a thin prism of r...

Angle of deviation for a thin prism of refractive index 1.5 is `4^(@)` for an incident ray. If that prism is dipped in water, then for the same incident ray, angle of deviation would be `["given" " "mu_(water) = (4)/(3)]`

A

`1^(@)`

B

`2^(@)`

C

`8^(@)`

D

`16^(@)`

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The correct Answer is:
A
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