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Questions  

A polariser and an analyser are inclined to each other at 45°. The intensity of polarised light emerging from the analyser is I. The intensity of unpolarized light incident on the polariser is

a
I4
b
2 I
c
4 I
d
I

detailed solution

Correct option is C

I02cos2⁡45∘=I04=I,I0=4I

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The graph showing the dependence of intensity of transmitted light on the angle between polariser and analyser is (I0 is intensity of plane polarised light)


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