Optics Question 564

Question: 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

Options:

A) 50%

B) 100%

C) 12.5%

D) 37.5%

Show Answer

Answer:

Correct Answer: C

Solution:

Intensity of polarised light from first polarizer $ =\frac{100}{2}=50 $

$ I=50{{\cos }^{2}}60{}^\circ =\frac{50}{4}=12.5 $



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