A beam of unpolarized light of intensity is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of relative to that of A. The intensity of emergent light is:
- A
- B
- C
- D
A beam of unpolarized light of intensity is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of relative to that of A. The intensity of emergent light is:
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