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Two speakers separated by a distance of 3m emit sound waves of frequency 550Hz. The velocity of sound is 330m/s. Find the distances from the source at which the intensity of the sound will be a maximum.

What i have so far..

Since we are trying to look for the places where there is constrictive interference (maxima), we can use .. d sin x = lambda*n . Maxima will occur when the path difference is 0, 1 wavelength or an integral multiple of wavelengths (ie: lambda*n)

So we find the wavelength ..

lambda = V/f = 0.6 m

The first maxima should occur at 0m, then ..

3 sin x = 0.6

3 sin x = 0.6*2 , etc

I'm not seeing how to get the next distances after that (am I even in the right path?) :(. Any hints?

Thank you in advance.

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# Soundwave and interferance problem.

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