Polarisers and Malus's Law
Q. Unpolarized light of intensity Io is incident on a stack of 2 polarizers, and intensity I emerges from the last polarizer. If the angle between the polarizers is 45 degrees, what is the ratio I/Io?
A 0.707
B 0.500
C 0.866
D 0.250
E 0.354
Thanks in advance
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