Electromagnetic Theory-Polarization (CSIR Physical Sciences): Questions 1 - 1 of 1

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Question number: 1

» Electromagnetic Theory » Polarization

Appeared in Year: 2011

MCQ▾

Question

Consider three polarizers P1,P2andP3 placed along an axis as shown in the figure.

A beam of light passing through polarizers

A Beam of Light Passing Through Polarizers

In figure a beam of unpolarized light of intensity I0 is passing through three polarizers.

The pass axis of P1 and P3 are at right angles to each other while the pass axis of P2 makes an angle θ with that of P1. A beam of unpolarized light of intensity I0 is incident on P1 as shown. The intensity of light emerging from P3 is – (December)

Choices

Choice (4) Response

a.

I04sin22θ

b.

I08sin22θ

c.

0

d.

I02

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