Acoustic impedance- pressure and velocity

  1. I find that the acoustic impedance is given by

    Z= Pressure/ Velocity

    I read that the acoustic impedance of a plane propagating wave is given by

    Z = ρ0c.

    What is ρ0 and c?

    Thanks a lot
  2. jcsd
  3. Bobbywhy

    Bobbywhy 1,864
    Gold Member

    c=speed of sound
    ρ0 = density
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