For interference, the waves from coherent sources should also have:

  1. different speeds
  2. different wavelengths
  3. similar amplitudes, for clear minima
  4. very different amplitudes
Answer

C) similar amplitudes, for clear minima

Good contrast. SLO P-11-D-14 · Understanding

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