Acoustic Impedance
Z = rho·v
What it says
The characteristic acoustic impedance of a medium equals its mass density multiplied by the speed of sound in that medium. It governs how much of an incident sound wave is reflected or transmitted at a boundary between two media.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
Z | Acoustic impedance (Pa·s/m) | M L^-2 T^-1 |
rho | Medium density (kg/m^3) | M L^-3 |
v | Speed of sound (m/s) | L T^-1 |
Work it out
Enter what you know. No account needed.
Connects to
Filed under Waves · derive through it in the explorer