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A clear sheet of polarizing material is placed on top of a second, similar sheet so...

A clear sheet of polarizing material is placed on top of a second, similar sheet so that their polarizing axes make an angle of 30 degrees. The ratio of the intensity of emerging light into incident unpolarized light is...

I know the correct answer is 3:8. Please explain concepts and solution. Thank you!

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Answer #1

As light passes through the polarizer electric and magnetic field decreases. Therefore intensity of light decreases. Decrease in intensity depends on the angle of pass axes according to Malu's law.

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