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41
Malus's Law
where is the intensity of the light incident on the polarizer, and is the angle of the light's polarization with respect to the polarizer(i.e., let the light be polarized at and the polarizer be , then )
Note this implies that for unpolarized light incident on a polarizer, you must average over all angles. This means 1/2 of the intensity of unpolarized light gets through.
Flashcard info:
Author: CoboCards-User
Main topic: Physics
Topic: GRE
School / Univ.: UC Santa Cruz
City: Santa Cruz, CA
Published: 20.10.2015