Plane-polarized light of intensity 100 W/m^2 falls on a polarizing filter whose axis is at 60^circ to the plane of polarization. The transmitted intensity is:

  1. 25 W/m^2
  2. 50 W/m^2
  3. 250 W/m^2
  4. 12.5 W/m^2
Answer

A) 25 W/m^2

I = I0cos^2theta = 100cos^2 60^circ = 25 W/m^2. SLO P-11-D-06 · Understanding

Physics MCQ · More Polarization MCQs · Practise