SAT Subject Physics Practice Question 350: Answer and Explanation

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Question: 350


Which of the Polaroids in the diagram above will produce the polarized light shown?

A. Polaroid A
B. Polaroid B
C. Polaroid C
D. Polaroid D
E. Polaroid E

Correct Answer: B


The correct answer is (B). The incoherent light is blocked by Polaroids that are not lined along the same axis as the light vibrations. The only light that can pass Polaroid B is the light shown.

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