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Two polarising sheets have their polaris...

Two polarising sheets have their polarising directions parallel to each other such that the intensity of the transmitted light is maximum. Through what angle must either sheet be turned so that the intensity becomes one-half the initial value ?

A

`30^(@)`

B

`45^(@)`

C

`135^(@)`

D

Both (2) and (3) are correct

Text Solution

Verified by Experts

The correct Answer is:
D
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