We-1 The Doppler Rings

Aim

To demonstrate the wave basis of the Doppler effect.

Apparatus

  • Overhead Projector
  • Doppler Rings as shown

Doppler Rings

Doppler Rings Diagram.

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 wave-fronts due to motion between the source and a stationary observer.

Safety Notes

The Doppler Rings SOP-29