Question

what is a polaroid?

Answer 1

It is used widely in optical and lighting devices to reduce glare. Also called Polaroid Camera, Polaroid Land Camera. the first brand of instant camera, developed by Edwin H. Land and marketed since 1948.

Answer 2

HEY MATE HERE IS YOUR ANSWER:-

1. polaroid is a material with their polarises light.
2. polaroids are used in sunglasses to protect Eyes from glare .

HOPE IT HELPS