Intensity is proportional to amplitude square (power is force times speed and both are doubled) so 4
10 log I2/I1 or 20 log A2/A1
20 log 2 = 6 Db
The amplitude of a sinusoidal sound wave is quadrupled.
a) By which factor is its intensity multiplied?
b)By how many decibels does the sound intensity level increase?
1 answer
1 answer