Two crossed polarizers block all light. A third filter placed between them at 45^circ causes:

  1. no change
  2. all light to pass
  3. even less light
  4. some light to pass through
Answer

D) some light to pass through

I = I0 12 12 of the polarized beam. SLO P-11-D-06 · Understanding

Physics MCQ · More Polarization MCQs · Practise