Question

A 1.0 m long string is fixed at both ends and has a tension of 80N. The mass of the string
is 2 gm. Find the third harmonic of the sound emitted by this string.

a. 50 Hz
b. 100 Hz
c. 200Hz
d. 300 Hz

Answer 1

I found the velocity for the string. Now what?

Answer 2

100