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Intensity vs Photocurrent

Pile of plate...

Question

Pile of plates can be used to produce completely polarised light due to :

A

Reflection

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B

Refraction

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C

Double refraction

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D

A and B

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Solution

The correct option is B Refraction
pile of plates is used to produce plane polarized light by refraction.
By refraction through multiple plates vibrations in the plane of incidence are transmitted.
Thus we obtain a polarized light.

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