A mobile source and a mobile observer Animation Play

A mobile source and a mobile observer Student activity Play

A mobile source and a mobile observer Simulation Play

A mobile source and a mobile observer Whiteboard exercise Play

A mobile source and a stationary observer Whiteboard exercise Play

A mobile source and a stationary observer Student activity Play

A mobile source and a stationary observer Simulation Play

A stationary source and a mobile observer Student activity Play

A stationary source and a mobile observer Simulation Play

A stationary source and a mobile observer Whiteboard exercise Play

Bats Animation Play

The Doppler effect Student activity Play

The Doppler effect Simulation Play

The Doppler effect Whiteboard exercise Play

The Doppler effect Animation Play

The Doppler effect in the animal world Student activity Play

The frequency of the perceived wave Animation Play

The frequency of the wave perceived by the observer Animation Play