THERMODYNAMICS - KINETIC THEORY - MEAN FREE PATH	NC State University Faculty Access
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Description: This radiometer spins in the opposite direction from what theory predicts; the white sides move forward. Turn on the light and watch it spin. Parts: Radiometer, strong light source Purchased/Built: purchased Setup Time: 5 min Quant. in Demo Room: 1 Demo References The Video Encyclopedia of Physics Demonstrations Disc 14-23 The radiometer and a lamp. Freier and Anderson Hh-6 The fake radiometer is evacuated so the mean free path is about the dimension of the system.
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