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An unpolarized beam of intensity I0 is passed through a polariser. The intensity of emergent beam is |
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Answer» Correct option is (B) \(\frac{I_0}2\) When unpolarized beam of intensity is passed through a polariser, the intensity of emerge beam will half. I = I0Cos2\(\theta\) Average value of Cos2\(\theta\) = 1/2 So, I = I0 \(\frac12\) I = \(\frac{I_0}2\) |
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