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A light beam is incident on a denser med...

A light beam is incident on a denser medium whose refractive index is 1.414 at an angle of incidence `45^(0)`. Find the ratio of width of refracted beam in medium to the width of the incident beam in air.

A

`sqrt(3) : sqrt(2)`

B

`1 : sqrt(2)`

C

`sqrt(2) : 1`

D

`sqrt(2) :sqrt(3)`

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