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Physics- wave question "What is the minimum distance between the two microphones?"?
If the two microphones were at the same distance from the speaker, the two signals would be in phase: they would lie on top of each other. For the phase difference shown (90 degrees), what is the minimum distance between the two microphones?
Known values:
frequency of signals: 2000Hz
speed of sound: 328 m/s
wavelength: .164 m
phase difference: 90 degrees or 3.14 radians
1 Answer
- 4 years agoFavorite Answer
you have to use the lambda equation for wavelength, then just plug in what you know and it'll be easy to get the answer. draw a diagram too, it'll help.
i dont have the equation on me right now so i cant solve it but remember one wavelength is the space between two 'peaks' on a sine wave http://images.tutorvista.com/cms/images/101/wavefo...
on a sound wave it looks like the picture below.
