The given graph illustrates a transverse wave travelling on a str… - Vidyadip

MCQ

The given graph illustrates a transverse wave travelling on a string at a particular instant, and the points $P, Q, R$ and $S$ represent elements of the string. Which of the following statements about the motion of the elements is correct?

A
The speed of the element at $P$ is a maximum
B
The displacement of the element at $Q$ is always zero.
C
The energy of the element at $R$ is entirely kinetic
✓
The acceleration of the element at $S$ is maximum.

✓

Answer

Correct option: D.

The acceleration of the element at $S$ is maximum.

d
Acceleration is maximum at extreme position. Velocity is maximum at mean position.

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