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• 14:42, 14 April 2022 Physdemo talk contribs created page Ruchardt's Tube (Created page with "{{NewDemo|subject=Thermodynamics|topic=Ideal Gas Law|file1=Tube.GIF}} This demonstration measures the ratio Cp/Cv, the ratio of specific heat at constant pressure to specific heat at constant volume. The demo consists of a tube in a rubber stopper which fits into a flask. A metal ball is dropped into the tube and oscillates. By measuring the period of the oscillations, the ratio can be determined by using the equation [missing image], where a is the radius of the ball a...")