If you are facing north with the Sun directly overhead, the light coming to your eyes from the sky just above the horizon is
A) partially polarized east-west.
B) partially polarized north-south.
C) randomly polarized.
D) partially polarized up-down.

Question

Quizplus · Accepted Answer

The light from the sky is scattered by the atmosphere, and when you are facing north with the Sun overhead, the light from the horizon is partially polarized in the east-west direction due to Rayleigh scattering.

If You Are Facing North with the Sun Directly Overhead