Translations:Wave velocity/2/en

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In addition to their velocity, waves are characterized by their particle motion, amplitude, frequency, and wavelength. Velocity depends on the elastic properties and density of the medium. Elastic properties are determined by the medium’s incompressibility (or bulk modulus) and rigidity. Compressional velocity depends on both incompressibility and rigidity. Shear velocity depends only on rigidity. For all materials, the shear velocity is always less than the compressional velocity.