Homework Soursewhat is the loudness in decibels of a sound 10 billion times
what is the loudness, in decibels, of a sound 10 billion times as loud as the softest sound?
what is the loudness, in decibels, of a sound 10 billion times as loud as the softest sound?
what is the loudness, in decibels, of a sound 10 billion times as loud as the softest sound?
Solution
loudness is given by
dB = 10*log (I1/I0)
10 billion = 1*10^10
I1 = 10^10*I0
dB = 10*log (10^10*I0/I0)
dB = 10*10*log 10
dB = 100 dB
