Question

what is Polaroid? Write it's use​

Answer 1

Polaroid is a type of synthetic plastic sheet which is used as a polarizer or polarizing filter. A trademark of the Polaroid Corporation, the term has since entered common use.

Answer 2

A Polaroid is artificially prepared thin, large sheet of crystalline polarizing material capable of producing plane polarized light.

Uses of polaroids are:

Used to produce and analyse polarised light as they are cheaper. To view three dimensional pictures. Used in motor car head lights and wind screen.