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Singing Pipes
Purpose
To show sound resonance created by convection currents in a tube.
Equipment
Two pipes with wire mesh, plunger, burner and matches, gloves, and instruction sheet.
Images
Description
A gas flame is inserted into one end of the tube, heating the wire mesh which has been pre-positioned in the lower half of the tube using the plunger. Holding the tube vertical after the mesh has been heated red hot creates convection currents which enable the tube to resonate. Tilting the tube nearly horizontal limits the convection currents and the sound ceases.◙
References
Atomic Laboratories, Inc. Operating Instructions for Singing Pipes, Cat. No. 85182.
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See pagesg1. simple harmonic motion
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See pagesg2. resonance & coupled oscillations
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See pagesg3. mechanical waves one dimensional
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See pagesg4. mechanical waves two dimensional
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See pagesg1. simple harmonic motion
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See pagesg2. resonance & coupled oscillations
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See pagesg3. mechanical waves one dimensional
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See pagesg4. mechanical waves two dimensional
Physics Lab Demos