Some double-pane airplane windows darken when the inner pane is rotated. The panes are
A)thin films.
B)Polaroid filters.
C)optical fibers.

Question

Quizplus · Accepted Answer

The panes in question are Polaroid filters. When one pane is rotated, it changes the alignment of the polarizing filters, which can darken the window by blocking more light. This is a principle of polarization, where light waves are allowed to pass through in only one orientation.

Some Double-Pane Airplane Windows Darken When the Inner Pane Is