1 2 Three polaroid sheets P P2 and P3 are kept parallel to each other such that the angle between pass axes of P and P is 45 and

Question

1 2 Three polaroid sheets P P2 and P3 are kept parallel to each other such that the angle between pass axes of P and P is 45 and that between P and P3 is 45 If unpolarised beam of light of intensity 128 Wm 2 is incident on P What is the intensity of light coming out of P3 W A 64 Wm 2 B 128 Wm 2 C 0 D 16 Wm 2

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