WAVES AND OSCILLATIONS - WAVE MOTION - BEATS	NC State University Faculty Access
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Description: Strike the tuning forks with the rubber mallet and observe the beats. Vary the beat frequency by adjusting the position of the small mass on the tuning fork. Purchased/Built: purchased Setup Time: none Quant. in Demo Room: 2 Demo References Hilton S-5a.1 Two tuning forks differ by 1 Hz but are not mounted on resonance boxes. The Video Encyclopedia of Physics Demonstrations Disc 10-18 Two tuning forks are on resonant boxes. Adjust the frequency of one to be slightly different.
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