Question
Question: An unpolarised beam of intensity I<sub>0</sub> is incident on a pair of nicol prisms making an angle...
An unpolarised beam of intensity I0 is incident on a pair of nicol prisms making an angle of 60º with each other. The intensity of light emerging from the pair is –
A
I0
B
I0/2
C
I0/4
D
I0/8
Answer
I0/8
Explanation
Solution
(2I0) cos2 60º = 8I0.