Two Nicols are oriented with their principal planes making an angle of 60°. The percentage of incident unpolarized light which passes through the system is
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a
50%
b
100%
c
12.5%
d
37.5%
answer is C.
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Detailed Solution
I1=I02when falls for the next true at an angle ;I2=I1cos2θ=11cos260°= 114=108=12.5%.of 10
Two Nicols are oriented with their principal planes making an angle of 60°. The percentage of incident unpolarized light which passes through the system is