keywords: ball, doppler
Doppler Ball
A 90mm plastic ball with a PP3 battery powered tone generator and speaker inside. The ball can be safely whirled round in a large horizontal circle to demonstrate the Doppler effect. Good output volume and variable pitch provide all that is required for a dramatic demonstration of the Doppler shift associated with a moving source.
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Model No. |
Description |
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50-360 |
Doppler Ball |
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