Optics Question 889

Question: A polaroid is placed at 45 to an incoming light of intensity I. Now the intensity of light after polarisation would be

Options:

A) I

B) I/2

C) I/2

D) zero

Show Answer

Answer:

Correct Answer: B

Solution:

[b] I=Icos2θ=Icos2(45o)=I(I2)2=I2



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