Two identical waves interfere constructively. The resultant intensity is:

  1. 4 times that of one wave
  2. zero
  3. 2 times
  4. the same
Answer

A) 4 times that of one wave

Amplitude doubles; I propto A^2. SLO P-11-D-08 · Understanding

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