30. A ray of ordinary light is incident on a system of three polaroids which are arranged in succession such that each polaroid is turned through 30° with respect to the preceding one. What is the percentage of the incident intensity that emerges out from the system? A) 21% B) 24% C) 28% D) 31%

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10. A ray of ordinary light is incident on a system of three polaroids which are arranged in succession such
that each polaroid is turned through 30° with respect to the preceding one. What is the percentage of the
incident intensity that emerges out from the system?
A) 21%
B) 24%
C) 28%
D) 31%
Transcribed Image Text:10. A ray of ordinary light is incident on a system of three polaroids which are arranged in succession such that each polaroid is turned through 30° with respect to the preceding one. What is the percentage of the incident intensity that emerges out from the system? A) 21% B) 24% C) 28% D) 31%
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