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Introductory Physics Homework Help
What is the Maximum Wavelength for Constructive Interference of Sound Waves?
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[QUOTE="Cc518, post: 6115393, member: 653190"] [h2]Homework Statement [/h2] Two in-phase loudspeakers, which emit sound in all directions, are sitting side by side. One of them is moved sideways by 3.0 m, then forward by 4.0 m. Afterward, constructive interference is observed 1/4 and 3/4 of the distance between the speakers along the line that joins them. What is the maximum possible wavelength of the sound waves? [h2]Homework Equations[/h2] Δr=r2 - r1 =mλ [h2]The Attempt at a Solution[/h2] The 2 speakers are separated by 5 m, so one speaker is r1= 1/4 x 5m = 1.25m from the point of constructive interference, another speaker is r2=3/4 x 5m = 3.75m from the point of constructive interference. Δr=r2 - r1 =mλ = 3.75m-1.25m=2.50m =mλ So λ=2.5/m I got λmax=2.5m when m=1 But the answer is 5meters. I don't know why. Any help is appreciated! [/QUOTE]
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Introductory Physics Homework Help
What is the Maximum Wavelength for Constructive Interference of Sound Waves?
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