Decibel Level
L_dB = 10·log10(I/I_ref)
What it says
Loudness in decibels, measured against the quietest audible intensity.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
L_dB | Sound level (dimensionless) | 1 |
I | Intensity (W/m^2) | M T^-3 |
Work it out
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Fill in all but one: I, L_dB are all empty.
Filed under Waves · derive through it in the explorer