PIRA: 3D40.30
Lab Equipment |
Directions |
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Pasco mechanical vibrator
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function generator
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square Chladni plate
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circular Chladni plate
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sand in shaker
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Chladni plate cover (plexiglas box)
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small wood block with brass rod and spring
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large food tray
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2 BB leads
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Connect a Chladni plate to the vibrator. Put the tray under the vibrator.
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Sprinkle sand on the top of the plate and cover with the plexiglas box.
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Turn on the function generator. Set the amplitude to about half scale.
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Slowly vary the frequency over the range from 100 Hz to 30 kHz and observe the resultant standing wave patterns.
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