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Brewster's Angle

When unpolari...

Question

When unpolarised light is incident on a plane glass plate at Brewster's angle, then which of the following statements is correct?

A

Reflected and refracted rays are completely polarised with their planes of polarisation parallel to each other

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B

Reflected and refracted rays are completely polarised with their planes of polarisation perpendicular to each other

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C

Reflected light is plane polarised but transmitted light is partially polarised

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D

Reflected light is partially polarised but refracted light is plane polarised

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Solution

The correct option is C Reflected light is plane polarised but transmitted light is partially polarised
At Brewster angle, only the reflected light is completely plane polarised, but the transmitted (refracted) light is partially polarised.

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