Light will not pass through a pair of Polaroids when their axes are
A) perpendicular.
B) parallel.
C) 45 degrees to each other.
D) two of these
E) all of these

Question

Quizplus · Accepted Answer

Light will not pass through a pair of Polaroids when their axes are perpendicular to each other because the first Polaroid polarizes the light, and the second, being perpendicular, blocks this polarized light from passing through.

Light Will Not Pass Through a Pair of Polaroids When