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Autori: R. PÉTER, A.R. TUNYAGI, A. SIMON.
DOI: 10.24193/subbphys.2023.07
Published Online: 2023-12-30
Published Print: 2023-12-30
pp. 67-81
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Abstract: Several electrical measurement methods based on impact time measurements are presented in order to determine the sound propagation velocity in different metals. The sound impulses were initiated by dropping metal rods or tubes on a rigid anvil, and the speed of sound was determined by measuring the impact time and the time needed for the wave to propagate from the impacting end to the free end. Several electric methods are presented and compared; the results obtained for the speed of sound being in fair agreement with theory. The experiments described in this paper could be successfully used as undergraduate Physics experiments leading students towards better understanding of phenomena regarding sound propagation in solids.
Keywords: sound propagation in solids, impact time, electric methods, comparison.
