Question

The production of sound during speech or singing is a complicated process. Let's concentrate on the mouth. A typical depth for the human mouth is about 7.6 cm , although this number can vary. (Check it against your own mouth.). We can model the mouth as an organ pipe that is open at the back of the throat.

a What are the wavelengths of the first four harmonics you can produce if your mouth is open? Express your answers in centimeters separated by commas

b What are the frequencies of the first four harmonics you can produce if your mouth is open? Use 354 m/s for the speed of sound

c What are the wavelengths of the first four harmonics you can produce if your mouth is closed?

d What are the frequencies of the first four harmonics you can produce if your mouth is closed? Use 354 m/s for the speed of sound.

Answer 1