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'''Sound''' is a disturbance, caused by variations in [[pressure]], that travels as [[waves]] through a [[medium]] such as air or water, disturbing molecules on the way. The study of sound is known as [[acoustics]]. Humans detect sound waves through their [[ears]].
'''Sound''' is a disturbance, caused by variations in [[pressure]], that travels as [[waves]] through a [[medium]] such as air or water, disturbing molecules on the way. The study of sound is known as [[acoustics]]. Humans detect sound waves through their [[ears]].
[[Image:Varma Lady with Sitar.jpg|thumb|left|Lady with Sitar by Ravi Varma.]]
== Human Perception ==
== Human Perception ==