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When the angle of incidence on a materia...

When the angle of incidence on a material is `60^(@)`, the reflected light is completely polarized. The velocity of the refracted ray inside the material is (in `ms^(-1)`)

A

`3 xx 10^(8)`

B

`[(3)/(sqrt(2))]xx10^(8)`

C

`sqrt(3)xx10^(8)`

D

`0.5xx10^(8)`

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The correct Answer is:
A
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