Two strings, one thick and the other thin, are connected to form one long string. As a wave travels along the string and passes the point where the two strings are connected, all of the following change except for the
A) frequency of the wave.
B) speed of the wave.
C) wavelength of the wave.
D) wave number of the wave.

Question

Quizplus · Accepted Answer

The frequency of a wave remains constant when it passes from one medium to another; it is a property determined by the source of the wave and does not change due to the medium's properties.

Two Strings, One Thick and the Other Thin, Are Connected