fghtffyrdmns
Dec12-09, 01:55 PM
1. The problem statement, all variables and given/known data
How many decibels does the loudness of a sound increase if its intensity increases 25 times?
2. Relevant equations
dB = 10 log\frac{I_{b}}{I_{a}}
3. The attempt at a solution
\frac{I_{b}}{I_{a}} = \frac{25}{1}
dB = 10 log\frac{25}{1}
dB = 13.98
How many decibels does the loudness of a sound increase if its intensity increases 25 times?
2. Relevant equations
dB = 10 log\frac{I_{b}}{I_{a}}
3. The attempt at a solution
\frac{I_{b}}{I_{a}} = \frac{25}{1}
dB = 10 log\frac{25}{1}
dB = 13.98