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Two nicol prisms are inclined to each ot...

Two nicol prisms are inclined to each other at `30^@`. If `I` be the intensity of the light incident on the first prism, then the intensity of the light emerging from the second prism will be

A

`3/4 I`

B

`1/2 I`

C

`1/4 I`

D

`3/8 I`.

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