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The axes of the polariser and analyser a...

The axes of the polariser and analyser are inclined to each other at `60^(@)`. If the amplitude of polarised light emergent through analyser is A. The amplitude of unpolarised light incident polariser is

A

`a/2`

B

`(a)/(sqrt(2))`

C

`((sqrt(sqrt(3)))/(2))`a

D

`((3)/(4))a`

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The correct Answer is:
A
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