School of Physics Lecture Demonstration Manual

We-1 The Doppler Rings

Published: Wednesday 15 March 2006 - Updated: Wednesday 30 March 2011

Aim

To demonstrate the wave basis of the doppler effect.

Apparatus

Diagrams

Click on pictures to enlarge.

Doppler Rings

Description

The apparatus consists simply of a series of sheetmetal rings of increasing diameter. They may be placed on the overhead projector and displaced laterally to display the effect of increased wavefronts due to motion between the source and a stationary observer.

Safety notes

Electrical safety 

Maintenance 

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