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JEE Mains Model Paper 21

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Question : 3

Total: 90

A clear sheet of Polaroid is placed on the top of similar sheet so that their axes make an angle sin−1(

) with each other. The ratio of intensity of the emergent light to that of unpolarised incident light is

16 : 25
9 : 25
4 : 5
8 : 25

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