Three Ideal Polarizers Are Oriented as Follows: the Axis of the Second

question 96

Short Answer

Three ideal polarizers are oriented as follows: The axis of the second polarizer is at an angle of $59.0 ^ { \circ }$ relative to the first one. The axis of the third polarizer is at an angle of $31.0 ^ { \circ }$ relative to the second one, so the axis of the axis of the third polarizer is perpendicular to the axis of the first one. Unpolarized light of intensity $18.6 \mathrm {~W} / \mathrm { m } ^ { 2 }$ is incident on the first polarizer.
(a) What is the intensity of the light after it passes through all three polarizers?
(b) What is the intensity of the transmitted light if the second polarizer is removed?

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