Recent content by exaramco

In fact, when I plugged in the equation for the resonant Helmholts frequency, it came at about 100 hz--just what I measured. Thanks again.

Right you are! I changed to a pipe and the spectrum came right on target. Thank you.

Standing waves have a fundamental frequency equal to 4x the length of the pipe if the pipe is closed at one end and open at the other end. So, blowing across the top of a 33.2 cm bottle should produce a fundamental frequency of v/4L or about 340/1.2= 283 hz. When I record the sound produced...