A) 3^2 = 9
Intensity is proportional to the square of ampltitude.
B) I2/I1 = 9
dB = 10 Log(I/Io)
dB2 - dB1 = 10 Log(I2/I1)= 10 Log9 = 9.5
If the amplitude of a sound wave is tripled,
A.) by what factor will the intensity increase?
B.) by how many dB will the sound level increase?
1 answer