Saturday, February 11, 2012

Propagation of sound

Sound is a arrangement of after-effects of burden that propagates through compressible media such as air or water. (Sound can bear through debris as well, but there are added modes of propagation). During propagation, after-effects can be reflected, refracted, or attenuated by the medium.2

The behavior of complete advancement is about afflicted by three things:

A accord amid body and pressure. This relationship, afflicted by temperature, determines the acceleration of complete aural the medium.

The advancement is aswell afflicted by the motion of the average itself. For example, complete affective through wind. Independent of the motion of complete through the medium, if the average is moving, the complete is added transported.

The bendability of the average aswell affects the motion of complete waves. It determines the amount at which complete is attenuated. For abounding media, such as air or water, abrasion due to bendability is negligible.

When complete is affective through a average that does not accept connected concrete properties, it may be refracted (either broadcast or focused).2

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