Experiment: Speed of sound in air II ? (115 V 50/60 Hz)

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Objective: Generate and measure standing sound waves in Kundt?s tube?.. Thematic focus:?.. - Generate standing waves in Kundt?s tube with both ends closed off. - Measure the fundamental frequency as a function of the length of the Kundt?s tube. - Measure the frequencies of the fundamental and overtones for a fixed length of tube. - Determine the speed of propagation of the wave from the resonant frequencies. Experiment description:?.. Sound waves propagate in gases in the form of longitudinal waves. The overall velocity is equivalent to the phase velocity. In this experiment a standing wave is generated inside Kundt?s tube with both ends closed off. The fundamental frequency is measured as a function of the length of the tube and the frequencies of the fundamental and overtones are also measured for a fixed length of tube.

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