Wave Motion 2 Question 31
31. Standing waves can be produced
$(1999,3 M)$
(a) on a string clamped at both 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 $\pi$ are moving in the same direction
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Answer:
Correct Answer: 31. $(a, b, c)$
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.
