Longitudinal Wave

A wave in which the vibrations of the medium are parallel to the direction the wave is moving.

Sound waves propagating through air are a good example.

In longitudinal waves, such as sound waves, wavelength is the distance from rarefaction to rarefaction, or compression to compression.

See also: Compressional Wave, Cylindrical Wave, Plane Wave, Rayleigh Waves, Shear Wave, Sound Waves, Spherical Wave, Transverse Wave, Wave.

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Subjects: Noise & Vibration Physics

Acoustics and Vibrations Animations A collection of animations produced by Daniel A. Russell, Ph.D., Associate Professor of Applied Physics at Kettering University.