Notes on the Effect of Distance from the Source on the Velocity of Sound at Ultrasonic Frequencies
- 1 May 1931
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 37 (9) , 1147-1148
- https://doi.org/10.1103/physrev.37.1147
Abstract
Measurements of the velocity of ultrasonic waves have been made at a greater distance than heretofore. It is found to be independent of frequency within 0.01 percent which is the error of measurement.Keywords
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