Optics Question 887

Question: An unpolarised beam of intensity I0 is incident on a pair of nicols making an angle of 60 with each other. The intensity of light emerging from the pair is

Options:

A) I0

B) I0/2

C) I0/4

D) I0/8

Show Answer

Answer:

Correct Answer: C

Solution:

[c] According to Malus’ law I=I0cos2θ=I0(cos260o)=I0×(12)2=I04.



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