Question

Pick out the condition which is not required for the formation of stationary waves.

• A. The medium on which waves are formed should be bound medium
• B. Both the waves should have same frequency
• C. Both the waves should have same velocity
• D. The waves should travel in same direction
• E. Both the waves should have same wavelength

Answer 1

Answer: (D)

The waves should travel in same direction

The waves should travel in same direction not necessary requirement for the formation of stationary waves. Even waves travel in opposite direction can form a stationary wave.