In Figure sound waves A and B , both of wavelength , are initially in phase and
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In Figure sound waves A and B, both of wavelength λ, are initially in phase and traveling rightward, as indicated by the two rays. Wave A is reflected from four surfaces but ends up traveling in its original direction. What multiple of wavelength λ is the smallest value of distance L in the figure that puts A and B exactly out of phase with each other after the reflections?
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Any phase changes associated with the reflections themselves are rendered inc...View the full answer
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