Sound Wave Interference

  • Thread starter keemosabi
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  • #1
keemosabi
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Homework Statement


Two speakers, one directly behind the other and along the x-axis, emit sound waves along the x-axis. The speaker in the back emits sound with a wavelength of .02 m and the speaker in the front emits waves with a wavelength of .05m. If the two speakers are separated by 3 m, where along the x-axis will destructive interference first occur?


Homework Equations


d sin(theta) = m(wavelength)


The Attempt at a Solution


How do I use the above equation if there are two wavelengths that I need to use?
 

Answers and Replies

  • #2
keemosabi
109
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Am I using the correct equation?
 

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