Once tapped with a rubber hammer, the tines of a tuning fork begin vibrating. A computer-interfaced microphone detects
the resulting vibrations of the surrounding air, providing the
plot of pressure as a function of time. Consider the two cases
below. In which case does the tuning fork have the greatest
frequency?
Case A
Case B
401
40
20
20
Pressure Dev'n (dB)
Pressure Dev'n (dB)
0
0
ot
time
0.1
time
-20
-20
-40
-40
The case with the greatest frequency is Case: Tap Me!