Sound: Doppler Effect and Shock Wave

This lesson will look at doppler effect and explain how and why it happens when the wave source is moving or an observer is moving or both. This lesson will take a look at what happens... This lesson will look at doppler effect and explain how and why it happens when the wave source is moving or an observer is moving or both. This lesson will take a look at what happens to a frequency when an observer becomes closer or further away. A diagram will be drawn to explain what occurs in relation to speed of a wave.
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