For constructive interference, the phase difference is:

  1. any value
  2. 0, 2pi, 4pi, ldots
  3. pi2
  4. pi, 3pi, 5pi, ldots
Answer

B) 0, 2pi, 4pi, ldots

Whole cycles. SLO P-11-D-08 · Understanding

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