MCQ
Polaroid glass is used in sunglasses because
  •  it reduces the light intensity to half on account of polarisation
  • B
    it is fashionable
  • C
     it has good colour
  • D
    it is cheaper

Answer

Correct option: A.
 it reduces the light intensity to half on account of polarisation
 it reduces the light intensity to half on account of polarisation

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