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

Rahul Nisanka , 8 Years ago
Grade 12th pass
anser 1 Answers
Arun
 
Dear Rahul
 
I = I0 cos²@
Intensity become half,
Then
I0/2 = I0 cos²@
Cos²@ = ½
Cos@ = 1/\sqrt2
@ = 45°
 
Regards
Arun (askIITians forum expert)
Last Activity: 8 Years ago
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