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A beam of unpolarised light of intensity I is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45 ° relative to that of A. The intensity of the emergent light is: (1) I/2 (2) I/4 (3) I/8 (4) I

A beam of unpolarised light of intensity I is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of 45 ° relative to that of A. The intensity of the emergent light is: (1) I/2 (2) I/4 (3) I/8 (4) I

Grade:upto college level

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