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If the critical angle for total internal...

If the critical angle for total internal reflection from a medium to vacuum is `30^(@)`, the velocity of light in the medium is

A

`3 xx10^(8) ms ^(-1)`

B

`1.5 xx10^(8) ms ^(-1)`

C

`6 xx10^(8) ms ^(-1)`

D

`sqrt(3) xx10^(8) ms ^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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