Product Details

Doppler Ball

Doppler ball is 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.

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Description

Good output volume and variable pitch provide all that is required for a dramatic demonstration of the Doppler shift associated with a moving source.
PP3 battery and rotation cord supplied.

Dimensions:
90mm dia.
100g

Product code: LA50-360

http://www.lascells.com/product-detail/doppler-ball/