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Sound Wave : Learn Through Video

soundSound is a sequence of waves of pressure that travels through compressible media such as air or water. It should be noted that sound can propagate through solids also .Humans can hear sound within frequencies from about 20 Hz to 20,000 Hz. In air at standard temperature and pressure, the corresponding wavelengths of sound waves range from 17 m to 17 mm. During propagation, waves can be reflected, refracted, or attenuated by the medium .

Excellent Video Physics- Sound Waves-

Now take your test on sound