Unpolarised light is incident on two polarizing sheets placed over one another. The
intensity of light transmitted finally is one-third of the intensity of the incident light.
Calculate the angle between the transmission axes of the two polarizing sheets.
1
Expert's answer
2018-03-22T10:33:08-0400
The intensity of transmitted light for these two sheets at an angle θ is I=1/2 I_0 cos^2θ Thus, 1/3 I_0=1/2 I_0 cos^2θ cos^2θ=2/3 θ=cos^(-1)√(2/3)=35.2°.
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