Phase relations for a sound wave at its reflection and transmission through a plane layer |
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| Authors: | V V Efimov D I Sementsov |
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| Institution: | (1) Ul’yanovsk State Technical University, ul. Severnyi Venets 32, Ul’yanovsk, 432027, Russia;(2) Ul’yanovsk State University, ul. L. Tolstogo 42, Ul’yanovsk, 432700, Russia |
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| Abstract: | A property never considered before in acoustics is established: in the case of a sound wave incidence on a plane layer bordered by two liquid media with identical elastic properties, the phase difference between the reflected and transmitted waves is equal to π/2 irrespective of the physical constants of the layer and the media contacting it, as well as of the frequency of the incident wave. |
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