Q.List four everyday or technical uses of polaroid material, briefly explaining the physical basis of any one of them.

Plane polarized light and polaroid sheet material are used in a number of everyday and technical applications:

1. Polaroid sunglasses cut down glare reflected off horizontal surfaces such as water, wet roads or snow.
2. Polarizing filters on cameras reduce unwanted reflections from glass or water surfaces and noticeably deepen the blue of a photographed sky.
3. Polaroid sheets are the working element inside LCD (liquid crystal display) screens.
4. Polaroid material is used in the glasses worn for 3D cinema. …

List four standard polaroid applications and pick one to explain via the s …

• Listing photography in general rather than the specific polarizing-filter use.
• Explaining the sunglasses use without mentioning that it works specifically because reflected glare i …