Refraction (sound)

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Refraction, in acoustics, comparable to the refraction of electromagnetic radiation, is the bending of sound propagation trajectories (rays) in inhomogeneous elastic media (gases, liquids, and solids) in which the wave velocity is a function of spatial coordinates. Bending of acoustic rays in layered inhomogeneous media occurs towards a layer with a smaller sound velocity. This effect is responsible for guided propagation of sound waves over long distances in the ocean and in the atmosphere.

See also

Further reading

  • P.M. Morse and K.U. Ingard, Theoretical Acoustics, Princeton University Press, 1986. ISBN 0-691-08425-4


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