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A beam of initially unpolarized light passes through a sequence of three ideal polarizers. The angle p12 between the axes of the
first and second polarizers is 23.9°, and the angle ø23 between the axes of the second and third polarizers is 58.7°.
P12
P23
What is the ratio of the intensity I3 of light emerging from the third polarizer to the intensity Io of light incident on the
first polarizer?
I3
Io

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