Light passes readily through a pair of Polaroids when their axes are
A)parallel.
B)perpendicular.
C)neither of these,
And for a pair of Polaroids with axes at 45 degrees to each other
D)light will not pass.
E)light that passes is dimmer than for parallel Polaroids.
F)another Polaroid is necessary for any light to pass.

Question

Quizplus · Accepted Answer

When the axes of two Polaroids are parallel, light passes through readily because the polarization direction of the light matches the orientation of both filters. When the axes are at 45 degrees to each other, the light that passes is dimmer than for parallel Polaroids because only the component of the light's electric field that is aligned with the second Polaroid's axis can pass through, resulting in reduced intensity.

Light Passes Readily Through a Pair of Polaroids When Their