If you're driving towards the sun late in the afternoon, you can reduce the glare from the road by wearing

Question

sunglasses that permit only the passage of light that's

A. polarized in a vertical plane.
B. dispersed in a vertical plane.
C. dispersed in a spherical plane.
D. polarized in a horizontal plane.

Answer 1

A. Road glare is polarized in the horizonatal direction. To reduce it, you block horizontal allowing only vertical polarized light.