When sound passes from air into water
A) its velocity does not change.
B) its frequency does not change.
C) its wavelength does not change.

Question

Quizplus · Accepted Answer

The frequency of a sound wave remains constant when transitioning between mediums because it is determined by the source of the sound, not the medium through which it travels. The velocity and wavelength of sound, however, can change depending on the properties of the medium (such as density and elasticity).

When Sound Passes from Air into Water