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Unpolarized light of intensity I(0)is in...

Unpolarized light of intensity `I_(0)`is incident on a polarizer and the emerging light strikes a second polarizing filter with its axis at `45^(@)` to that of the first. The intensity of the emerging beam

A

`(I_(0))/(2)`

B

`(I_(0))/(4)`

C

`I_(0)`

D

`(I_(0))/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`I = (I_(0))/(2), I_(2) = (I_(0))/(2)cos^(2)theta`
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