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Optics — Physics STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12PhysicsOptics1 Mark
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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