Stringed Instrument Frequencies (7:29)
The equation for the harmonic frequencies of stringed instruments is derived. Harmonic numbers and fundamental frequency are defined. A guitar is used to demonstrate harmonic numbers.
This is an AP Physics 1 Topic.
0:11 Fixed ends of stringed instruments are nodes
1:07 First standing wave pattern
2:18 Second standing wave pattern
2:41 Third standing wave pattern
3:11 Determining the frequency equation
3:48 Harmonic number and fundamental frequency
4:52 Demonstrations of harmonics on a guitar
6:32 A bit more about guitar frequencies