Four isotropic point sources of sound that are uniformly spaced on an x-axis. The sources emit sound
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Four isotropic point sources of sound that are uniformly spaced on an x-axis. The sources emit sound at the same wavelength λ and same amplitude sm, and they emit in phase. A point P is shown on the x-axis. Assume that as the sound waves travel to P, the decrease in their amplitude is negligible. What multiple of sm, is the amplitude of the net wave at P if distance d in the figure is(a) λ/4, (b) λ/2 and (c) λ?
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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