A longitudinal wave travels from left to right along a perfectly elastic string parallel with the ground. Any given point on the string is
A) moving up and down.
B) moving right only.
C) moving down only.
D) moving left and right.
E) fixed in place; it does not move at all.

Question

Quizplus · Accepted Answer

In a longitudinal wave, particles of the medium move parallel to the direction of wave propagation, which means they move left and right as the wave travels along the string.

A Longitudinal Wave Travels from Left to Right Along a Perfectly