Answer:
a.
Step-by-step explanation:
(a) The glass blocks horizontally polarized light, and the light reflected from the icy pond is, in part, polarized horizontally.
Here, Option A situation is before rotating the axis of glass. Option D is for situation after rotating the axis.
Polarized glasses provide superior glare protection- especially on water.The polarised lenses have a special filter that block this types of intense reflected light. reducing glare and discomfort.