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Bell Labs Wave Machine (C 27)


Keyword: Waves

Demonstration Description:

Rods ranging in size from 10 cm to 40 cm are attached to a steel rod that flexes to produce wave motion down its length. The machine can show standing waves, reflection, damping, resonance, impedence matching, reflection at the boundary between two media, and superposition. The end of the rods are painted to make the wave motion visible when illuminated with UV light. this machine can also be motor driven.


REFLECTION

SUPERPOSITION


STANDING WAVES


MISMATCHED IMPEDANCE


MATCHED IMPEDANCE


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