Question

Sound energy level of 10^-6 W/m2 corresponds
to a loudness of............dB.​

Answer 1

Answer:

The softest sound you can hear is I = 10−12 W/m2. This intensity, expressed in dB, is, loudness in dB = 10 × log10 10−12 W/m2 10−12 W/m2 = 10 × log10(1) = 0 dB.