Two coherent waves of amplitudes 3 mm and 5 mm meet. The maximum and minimum possible resultant amplitudes are:

  1. 5 mm and 3 mm
  2. 8 mm and 2 mm
  3. 5.83 mm and 0 mm
  4. 15 mm and 2 mm
Answer

B) 8 mm and 2 mm

In phase: 3 + 5 = 8 mm; in antiphase: 3 - 5 = 2 mm. SLO P-11-D-07 · Application

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