11.11 The Doppler Effect

The Doppler Effect

Changing wavelength and frequency due to motion is called the Doppler Effect. Duration: 1:27.

Bow Waves

Bow waves are produced when a vibrating object travels as fast or faster than the wave speed. Duration: 1:11.


Shock Waves

The shock wave is a bow wave of sound generated by an object traveling at speeds faster than the speed of sound. Duration: 2:43.