The amplitude of a sound wave is determined by the difference in the
A) number of sound waves per second.
B) air molecule density in the compressed versus rarified regions of the sound wave.
C) energy embedded in the air molecules.
D) pitch of the sound.
E) size of the air molecules in the compressed region of the sound wave.

Question

Quizplus · Accepted Answer

The amplitude of a sound wave is determined by the difference in air molecule density between the compressed and rarified regions of the sound wave. This difference affects the loudness or volume of the sound, with greater differences in density resulting in higher amplitude and thus louder sounds.

The Amplitude of a Sound Wave Is Determined by the Difference