Two waves of amplitudes 4 cm and 4 cm meet with a phase difference of pi. The resultant amplitude is:

  1. 4 cm
  2. 8 cm
  3. 16 cm
  4. 0 cm
Answer

D) 0 cm

Antiphase: complete cancellation. SLO P-11-D-08 · Understanding

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