SOLUTION: hi i have a qiestion about a formula:for measuring the sound intensity level why do we use log? why don't we use sin or cos or anything else? plz answer me many thnx

Algebra ->  Equations -> SOLUTION: hi i have a qiestion about a formula:for measuring the sound intensity level why do we use log? why don't we use sin or cos or anything else? plz answer me many thnx      Log On


   

Question 705704: hi
i have a qiestion about a formula:for measuring the sound intensity level why do we use log?
why don't we use sin or cos or anything else?
plz answer me
many thnx
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Probably because the human ear is a logarithmic device. Another words very soft sounds get amplified much more than loud sounds. It recognizes only a 3 db increase in power when sound power is doubled.