in your units:
Io = 10^-16 watts/cm^2
Db = 10 log (2.54*10^-5/10^-16)
= 10 log (2.54 * 10^11)
= 10 log 2.54 + 10 log 10^11
= 4.05 + 110
= 114
Find the number of decibels for the power of the sound given. Round to the nearest decibel.
A rocket engine,
2.54 cross 10−5
watts/cm2
1 answer
1 answer