NEET | 2017Basic Maths and Units and DimensionsHard

Question

Two Polaroids P1 and P2 are placed with their axis perpendicular to each other. Unpolarised light I0 is incident on P1 . A third polaroid P3 is kept in between P1 and P2 such that its axis makes an angle 45o with that of P1 . The intensity of transmitted light through P2 is :-

Options

A.

I04

B.

I08

C.

I016

D.

I02

Solution


I1=I02
I2=I02cos245o=I04
I3=I04cos245o=I08

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