Question

Polaroid glass is used in sunglasses because
A) it reduces the light intensity to half on account of polarization
B) it is fashionable
C) it has a good color
D) it is cheaper

Answer 1

Hint: Polarized sunglasses R used to greatly reduce the glare. Usually, the people who enjoy fishing use this lens so that they reduce the glare from the water. When light is reflected from flat surfaces becomes polarised, meaning travels in a uniform direction. To overcome this, polarised lenses are used.

Complete step-by-step solution
Polarised lenses contain a special filter that blocks this type of intense reflected light reducing the glare. Polarised sunglasses improve comfort and visibility also. They are in some cases not advisable too. One such example is skiing. The polar lenses reduce the visibility of the image Produced by lcd's. They are used to fix the high intensity produced by some objects. Most of us use polarised glasses while driving cars during the night-time. Therefore, the correct option is option a.
Additional information:
There are some other considerations for polarized sunglasses. These along with progressive lenses are a good choice for those who spend most of their time outdoors. Sunglasses with photochromic lenses are also a good choice for those who spend a lot of time in the sun. We can even have an anti-reflective coating applied at the back of the lenses for best comfort and performance. This lens will eliminate distracting reflections when the sun is behind you.

Note: Polarized sunglasses are not advised during downhill skiing when watching liquid crystal displays. These are also not advisable for boaters and pilots as they can't be able to see the instrument panels clearly when they use polarized lenses.