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HomeG. Vibrations And Mechanical WavesG3. Mechanical Waves One DimensionalG3-05. Shive Wave Machine - Partial Reflections
Shive Wave Machine - Partial Reflections
Purpose
To show that a wave will be partially reflected at a point where the impedance changes.
Equipment
Two connected segments of the Shive Wave Machine; dashpot for end if desired.
Images
Description
Partial reflection can be produced by (1) linking the two different segments as shown in the photograph, (2) adding weights to the end of a central crossarm to produce an impedance glitch, or (3) attaching the dashpot at a central location and adjusting it for partial absorption of the incoming wave.
References
B. A. Burgel, Dispersion, Reflection, and Eigenfrequencies on the Wave Machine, AJP 35, 913-915, (1967).
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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