Two coherent waves of amplitudes 4 mm and 4 mm meet. The maximum and minimum possible resultant amplitudes are:

  1. 8 mm and 4 mm
  2. 16 mm and 0 mm
  3. 4 mm and 4 mm
  4. 8 mm and 0 mm
Answer

D) 8 mm and 0 mm

In phase: 4 + 4 = 8 mm; in antiphase: 4 - 4 = 0 mm. SLO P-11-D-07 · Application

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