1) You have an open tube that is 1.3m long.
a) what is the fundamental frequency of the wavelength of the tube.
b) what is the third harmonic frequency wavelength.
2) You have a closed tube 1.3m long.
a) what is the fundamental frequency and wavelength of the tube
b) what is the third harmonic frequency and wavelength
3) How will you know when your tube is in resonance?