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An upolarised beam of intensity 2a^(2) p...

An upolarised beam of intensity `2a^(2)` passes through a thin polarioid. Assuming zero absorption in the polariod, the intensity of emergent plane polarised light is

A

`2a^(2)`

B

`a^(2)`

C

`sqrt(2)a^(2)`

D

`(a^(2))/(sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
Intensity of light transmitted by polariser is half of intensity of unpolarised light. `:. a^(2)`.
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