Home Physics Wave and Sound Mix A transverse wave is travelling along a stri…
Physics Wave and Sound Mix MCQ (Single Correct)

A transverse wave is travelling along a string from left to right. The figure below represents the shape of the string at a given instant. At this instant, among the following, choose the wrong statement –

A
Points D, E, F have upwards positive velocity
B
Points A, B and H have downwards negative velocity
C
Point C and G have zero velocity
D
Points A and E have minimum velocity

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Text Solution

Verified by Experts
The correct answer is:
D

Particle velocity,
or wave velocity slope of the wave
For upward velocity, , so slope
must negative which is at the points D. E and F.


For downward velocity, , so slope must be positive which is at the points A, B and .
For zero velocity, slope must be zero which is at C and .
For maximum magnitude of velocity,
slope maximum, which is at A and E.
Hence, alternative is wrong.

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