Unpolarized light of intensity I passes through an ideal polarizer A. Another identical polarizer B is placed behind A. The intensity of light beyond B is found to be 
. Now another identical polarizer C is placed between A and B. The intensity beyond B is now found to be 
. The angle between polarizer A and C is
Text Solution
Verified by ExpertsThe correct answer is:
A
cos 2 θ = 
cos 2 θ = 
cos θ = 
⇒ θ = 45°
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