Physics — Wave Intensity & Power
Intensity, its dependence on amplitude and frequency, and level.
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I = \frac{P}{A}
I \propto A^2 f^2
I = \tfrac{1}{2}\rho v\,\omega^2 A^2
\beta = 10\log_{10}\frac{I}{I_0}
Intensity, its dependence on amplitude and frequency, and level.
I = \frac{P}{A}
I \propto A^2 f^2
I = \tfrac{1}{2}\rho v\,\omega^2 A^2
\beta = 10\log_{10}\frac{I}{I_0}