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A polaroid examines two adjacent plane p...

A polaroid examines two adjacent plane polarise beams A and B whose planes of polarisation are mutually perpendicular. In the first position of the analyser beam B shows zero intensity. From this position a rotation of `30^(@)` shows that the two beams have same intensity. The ratio of intensities of the two beams `I_(A)` and `I_(B)` will be

A

`1:3`

B

`3:1`

C

`sqrt(3):1`

D

`1:sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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