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3547 Timber Market Ambala Cantt-133001 Haryana-India
Phone: +91 90340 22538
Phone: +91 98960 22538
Email: info@labeqexports.com
Email: labeqexports@gmail.com
Product Description
DOPPLER BALL
FREE
Description
DOPPLER BALL
DOPPLER BALL:
The Dopplers Ball has a battery operated component inside it, which emits a constant tone.
If the ball is thrown between two people the Doppler Effect can be heard.
As the ball moves away from the thrower the sound becomes lower pitched to them.
while the catcher hears the sound at a higher pitch.
Specifications:
- Plastic molded lightweight ball suitable for Doppler effect fitted with a 9 V battery powered tone generator and a speaker inside.
- The ball can be whirled around on the attached cord to the demonstrate the change in pitch on a moving source.