Wave Mechanics Question 703

Question: Standing waves can be produced

[IIT-JEE 1999]

Options:

A) On a string clamped at both the ends

B) On a string clamped at one end and free at the other

C) When incident wave gets reflected from a wall

D) When two identical waves with a phase difference of p are moving in the same direction

Show Answer

Answer:

Correct Answer: A

Solution:

Standing waves can be produced only when two similar type of waves (same frequency and speed, but amplitude may be different) travel in opposite directions.