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Light of intensity I0 and polarized parallel to the transmission axis of a polarizer is incident...

Light of intensity I0 and polarized parallel to the transmission axis of a polarizer is incident on an analyzer.

(a) If the transmission axis of the analyzer makes an angle of 46° with the axis of the polarizer, what is the intensity of the transmitted light?
I0

(b) What should the angle between the transmission axes be to make I/I0 = 5/8?
°

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