When a student listens to music, sound waves propagate from the speaker to her ear. Which of the following is a physical description of this process?
A)Particles produced at the speaker move to the student's ear.
B)Energy is transported from the speaker to the student's ear.
C)Material is transferred from the speaker to the student's ear.
D)Clusters of air molecules are sent from the speaker to the student's ear.

Question

Quizplus · Accepted Answer

Sound waves are a form of energy that travels through a medium (like air) from the source to the receiver. The particles of the medium vibrate, but they do not travel with the wave; instead, it is the energy that is transferred.

When a Student Listens to Music, Sound Waves Propagate from the Speaker