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Published in:
1981 | OriginalPaper | Chapter
Vibrations of air columns
Author : S. M. Geddes
Published in: Advanced Physics
Publisher: Macmillan Education UK
Included in: Professional Book Archive
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Sound waves consist of regular variations of pressure transmitted from particle to particle through a medium. These changes of pressure are set up by the vibrations of the source. The regularity of the variations (considering a musical note as distinct from noise) means that a condition of high pressure, called a compression will be followed by a condition of low pressure, called a rarefaction as the wave travels along.