Two coherent waves of amplitudes 6 mm and 2 mm meet. The maximum and minimum possible resultant amplitudes are:

  1. 6 mm and 2 mm
  2. 12 mm and 4 mm
  3. 8 mm and 4 mm
  4. 6.32 mm and 0 mm
Answer

C) 8 mm and 4 mm

In phase: 6 + 2 = 8 mm; in antiphase: 6 - 2 = 4 mm. SLO P-11-D-07 · Application

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