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Volocity of light in diamond is (5/ 12)...

Volocity of light in diamond is `(5/ 12)^(th)` that in air. Velocity of light in water is `(3/4)^(th)` that in air. The angle of incidence of a ray of light taranvelling from water to diamond `(r = 30^@)` is

A

`sin^(-1)( 9//10)`

B

`sin^(-1)(3//4)`

C

`sin^(-1)(5//12)`

D

`sin^(-1)(9//5)`

Text Solution

Verified by Experts

The correct Answer is:
A
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