In this paper we present a novel experiment to measure the velocity of sound. Using a resonance tube and draining water to obtain resonance we were then able to measure the velocity of sound. This unique experiment allows precise measurements of the heights of the air column and thus an accurate measurement of the speed of sound. We find the velocity of sound to be 346 ± 2.5% m s −1 at room temperature.1 An alternative method of obtaining a rate of draining using a weighted cork floating in the water in the tube, motion detector and data logger was tried and found to give good results.
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