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Question

Unpolarized light with an intensity of I0=16Wm2 is incident on a pair of polarizers. The first polarizer has its transmission axis aligned at 50 from the vertical. The second polarizer has its transmission axis aligned at 20 from the vertical.

What is the intensity of the light when it emerges from the second polarizer?

A
4Wm2
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B
8 cos220Wm2
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C
6Wm2
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D
12Wm2
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Solution

The correct option is C 6Wm2
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