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Q.

The polariser and analyser are inclined to each other at 60°. If I/2 is the intensity of the polarised light emergent from analyser. Then the intensity of the unpolarised light incident on the polariser is

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a

2I

b

8I

c

4I

d

I

answer is B.

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Detailed Solution

I2=I02cos2⁡600⇒I0=4I

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