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if intensity after passing through a polaroid is 100 Lumen. Now this same polaroid is rotated by 30° about it's axis then find new intensity after passing through it.
(1) 50 Lumen
(2) 100 Lumen
(3) 25 Lumen
(4) 65 Lumen
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The correct answer is option  2) 100 lumens

\(I_{p_1}=I_{p2}=100 Lumens\)

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