Compressions and rarefactions normally travel
A)at right angles to the wave.
B)in the same direction in a wave.
C)in opposite directions in a wave.
D)none of the above

Question

Quizplus · Accepted Answer

Compressions and rarefactions are both part of longitudinal waves, which means that the particles in the medium vibrate parallel to the direction of wave propagation. Therefore, both compressions and rarefactions travel in the same direction as the wave.

Compressions and Rarefactions Normally Travel