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In a system of two crossed polarisers, it is found that the intensity of light from the second
polarizer is half from that of first polarizer. The angle between their pass axes is
a)pi/4 b)pi/6 c)pi/3 d)pi/2

Shashank , 8 Years ago
Grade 12
anser 1 Answers
Vikas TU

Last Activity: 8 Years ago

As we all know that
I(final) = I (initial) cos2Ѳ
I /2= I cos2Ѳ
½ = cos2Ѳ
cos Ѳ = 1/√2
Ѳ = pi/4
Option 1 is correct
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