A laser is a good source for interference experiments because its light is:

  1. polarized only
  2. longitudinal
  3. very hot
  4. highly coherent and monochromatic
Answer

D) highly coherent and monochromatic

Constant phase over long distances. SLO P-11-D-14 · Understanding

Physics MCQ · More Superposition, Stationary Waves and Beats MCQs · Practise