Changes

13 bytes added ,  15:35, May 13, 2009
m
longitudinal waves
Line 1: Line 1: −
'''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 longitudinal [[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.]]
 
[[Image:Varma Lady with Sitar.jpg|thumb|left|Lady with Sitar by Ravi Varma.]]
  
Block, SkipCaptcha, Automoderated users, edit, rollback
6,613

edits