Answer
(a) $\beta = 65~dB$
(b) $\beta = 105~dB$
Work Step by Step
(a) We can find the sound intensity level for the wave.
$\beta = 10~log(\frac{I}{I_0})$
$\beta = 10~log(\frac{3.0\times 10^{-6}~W/m^2}{10^{-12}~W/m^2})$
$\beta = 65~dB$
(b) We can find the sound intensity level for the wave.
$\beta = 10~log(\frac{I}{I_0})$
$\beta = 10~log(\frac{3.0\times 10^{-2}~W/m^2}{10^{-12}~W/m^2})$
$\beta = 105~dB$
