Polaroid sunglasses are useful for drivers because:

  1. they magnify signs
  2. they make everything brighter
  3. they block all light
  4. they cut glare from wet roads and car bonnets
Answer

D) they cut glare from wet roads and car bonnets

Reflected light is horizontally polarized. SLO P-11-D-17 · Understanding

Physics MCQ · More Polarization MCQs · Practise