Q91 / 180 · AIIMS 2013 · Physics

Polaroid glass is used in sun glasses because

Correct answer
A
it reduces the light intensity to half on account of polarisation
B
it is fashionable
C
it has good colour
D
it is cheaper

Solution

Polaroid glass is used in sun glasses because it reduces the light intensity to half on account of polarisation.

Hence, the correct answer is option: 'A'.

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