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What is the angle between analyser and polarisor if the intensity of light becomes half

What is the angle between analyser and polarisor if the intensity of light becomes half

Grade:12th pass

1 Answers

Arun
25758 Points
4 years ago
Dear Rahul
 
I = I0 cos²@
Intensity become half,
Then
I0/2 = I0 cos²@
Cos²@ = ½
Cos@ = 1/\sqrt2
@ = 45°
 
Regards
Arun (askIITians forum expert)

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