Speed of sound

  • Thread starter benitta
  • Start date
7
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Main Question or Discussion Point

how does the speed of sound vary with temperature in an ideal gas? how do we derive this relation?
 

Answers and Replies

286
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Isn't the speed of sound directly proportionate to the medium's density?
 
FredGarvin
Science Advisor
5,050
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The speed of sound is proportional to the square root of the absolute temperature:

[tex]c = \sqrt{k R T}[/tex]

where:
c = speed of sound
k = ratio of specific heats (1.4 for air)
R = Ideal gas constant
T = Temperature
 
7
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thanks guys...
 

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