Q. Spectacles used for viewing 3D films have

  • (A) Concave lens
  • (B) Convex lens
  • (C) Polaroids
  • (D) Bifocal lens
✅ Correct Answer: (C) Polaroids

Published by Ram Sharma ⭐ 193.88K Points at 09-Mar-2022 06:15 pm in Physics

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