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Lecture Experiments Department of Physics

Standing ultrasonic waves with Schlieren Optics

Experiment no.: 5.6.13
Stehende Ultraschallwellen mit Schlierenoptik New since 03/25
The Schlieren Optics can be used to show standing ultrasonic waves. In addition, small balls can be made to float by the standing ultrasonic waves.
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Images for this experiment
Set-up
Light source, stop and camera
Stop
Mirror with ultrasonic emitter
Destructive interference
Standing ultrasonic waves
A floating small ball
2 small balls floating on top of each other
2 small balls floating next to each other
Insertion of a small ball
7 small balls floating on top of each other

Documents for this experiment
Principle of operation