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When light of a certain wavelength is in...

When light of a certain wavelength is incident on a plane surface of a material at a glancing angle `30^(@)`, the reflected light is found to be compleley plane polarized determine.
a) refractive index of given material and
b) angle of refraction.

A

`sqrt(3)`

B

`sqrt(2)`

C

`1//sqrt(2)`

D

`2`

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