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

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

`1.96xx10^(8)` m/s

`2.12xx10^(8)` m/s

`2.65xx10^(8)` m/s

`1.24xx10^(8)` m/s

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