Question

What is the intensity level of a sound with an intensity of 0.000127 W/m2?

120 dB
65 dB
81 dB
72 dB

@Abhisar

Answer 1

@aaronq

Answer 2

\(\sf \beta=10dB*10^{\dfrac{I}{I_o}}\)

\(\sf I_o=1.0*10^{-12}~W/m^2\)

Answer 3

Im getting an insanely high number

Answer 4

oh sorry, i screwed up the formula its: \(\sf \beta =10dB*log(\dfrac{I}{I_o})\)