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CBSE Class 11-science Answered

speed of sound is faster in whic medium. DRY AIR or HUMID AIR.AND WHY.
Asked by neerajsingh91 | 16 Feb, 2009, 06:18: PM
Expert Answer


 Speed of sound depends inversely on the density of the medium.

Acually humid air has a lower density than dry air so sound travels faster in humid air.

Humidity also has a small, but measurable effect on sound speed (increase of about 0.1%-0.6%), because some oxygen and nitrogen molecules of the air are replaced by the lighter molecules of water.

The above links from wikipedia will also give you more information.

 

Answered by | 17 Feb, 2009, 12:51: PM
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