WAVES AND OSCILLATIONS - WAVE MOTION - STANDING WAVES	NC State University Faculty Access
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Description: A speaker drives an elastic rope. Vary the driving frequency by adjusting the signal generator. This will produce standing waves with up to six or seven antinodes. A strobe can be used. Purchased/Built: purchased Setup Time: 15 min Quant. in Demo Room: 2 Source: Pasco Scientific Demo References The Video Encyclopedia of Physics Demonstrations Disc 09-27 Three strings driven by the same driver have weights of 0.9:2:8 to produce the first, second, and third harmonics. Sutton S-35 Use a length of white clothesline and a mechanical vibrator to generate standing waves. Meiners 18-5.1 A string under tension is driven to show standing waves. Meiners 18-7.1 A 3 m rubber tube with a variable speed drive and high intensity strobe. Freier and Anderson Sa-9 A DC motor is driven at variable speeds to generate standing waves on an attached rope.
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