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A ray of light is incident on the surfac...

A ray of light is incident on the surface of separatio of a medium with the velocity of light at an angle `45^@` and is refracted int eh medium at an angle `30^@`. What will be the velocity of light in the medium ?

A

(A) `1.96xx108 m/s`

B

(B) `2.12xx108 m/s`

C

(C) `3.18xx108 m/s`

D

(D) `3.33xx108 m/s`

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