Period and Frequency (Genova, 6:54)
Definitions of period and frequency, and calculations with them.
Wave Speed, Frequency, and Wavelength (Genova, 5:44)
Solving problems related to these variables.
Measuring Wavelength (Genova, 2:17)
Calculating wavelength from a diagram.
The Doppler Effect (outside link, 3:01)
Explaining how the Doppler Effect works.