Question

Your classmate went to a rock concert. At the loudest point during the concert, the
sound had an intensity of 2.35 × 10–3 W/m2
. What was the loudness of this sound in
decibels?

Answer 1

\[L =10\log \frac{ I }{ I_{0} }\]

Answer 2

we also need Io

Answer 3

\[I_{0}=10^{-12}\]