- Ex 3, p 60-64, Simple Harmonic Motion
Driven S.H.M. and Resonance
Resonance, Harmonic Motion, Oscillator - PhET
Waves - Beats
Two waves of similar but not equal wavelength (frequency) overlap with constructive and destructive interference.
The result are wave packets of Beat Frequency.
Beat Frequency = difference between two frequencies
Open two pages of the linked site Online Tone Generator to test beat frequencies yourself
