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I Sound Pressure in Partial Vacuum

  1. Nov 22, 2016 #1
    Is there a good description or formula regarding how the sound pressure from a constant source depends upon ambient pressure?
    That is, if I were to conduct an experiment where I put a source and a microphone in a container, and then change the pressure in that container with a pump, assuming that the temperature remains relatively constant, how will the microphone react to the change in pressure? Thanks
  2. jcsd
  3. Nov 24, 2016 #2


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