In photoelastic stress analysis, a transparent plastic model is viewed between crossed polarizers to:

  1. show coloured fringe patterns revealing stress
  2. check its electric charge
  3. measure the model's mass
  4. find its temperature
Answer

A) show coloured fringe patterns revealing stress

Stressed plastic rotates the plane of polarization. SLO P-11-D-17 · Understanding

Physics MCQ · More Polarization MCQs · Practise