Measuring the Speed of Sound in Air Using a Smartphone and a Cardboard Tube
arXiv:1812.06732 · doi:10.1088/1361-6552/ab0e21
Abstract
This paper demonstrates a variation on the classic Kundt's tube experiment for measuring the speed of sound. The speed of sound in air is measured using a smartphone and a cardboard tube, making the experiment very economical in terms of equipment. The speed of sound in air is measured to within 3\% of the theoretical prediction.
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