Answer to Question #347085 in Electricity and Magnetism for Cler

Question

A small source of sound waves emits uniformly in all directions. The total power output of the source is P. By what factor must P increase if the sound intensity level at a distance of 20.0 m from the source is to increase 5.00 dB?

Answer 1

$I=I_0{10}^{\frac P {10}}=2.7.$