Find the number of decibels for the power of the sound given. Round to the nearest decibel.

Question

A rocket engine,
2.42 cross 10−5
watts/cm2

Answer 1

I = 2.42*10^-5 Watts/cm^2. = Sound intensity.
Io = 10^-16 Watts/cm^2 = Reference sound
intensity.

dB = 10^Log(2.42*10^-5/10^-16) = 114.