Two wave crests are generated at opposite ends of a long rope. Will there be an instant in which the rope's amplitude is zero everywhere?
A) Yes, if the waves have the same amplitude
B) Yes, if the waves have different amplitudes.
C) No.

Question

Quizplus · Accepted Answer

When two wave crests meet, they will interfere constructively or destructively at different points, but there will not be an instant where the entire rope's amplitude is zero everywhere unless the waves perfectly cancel each other out at every point, which is not possible with crests from opposite ends.

Two Wave Crests Are Generated at Opposite Ends of a Long