3-D cinema glasses use:

  1. magnifying lenses
  2. coloured lenses only
  3. sound filters
  4. differently polarized lenses so each eye sees a different image
Answer

D) differently polarized lenses so each eye sees a different image

Polarization separates the two images. SLO P-11-D-17 · Understanding

Physics MCQ · More Polarization MCQs · Practise