In Fig. 17-35, S1 and S2 are two isotropic point sources
Chapter , Problem 105(choose chapter or problem)
In Fig. 17-35, S1 and S2 are two isotropic point sources of sound. They emit waves in phase at wavelength 0.50 m; they are separated by D # 1.60 m. If we move a sound detector along a large circle centered at the midpoint between the sources, at how many points do waves arrive at the detector (a) exactly in phase and (b) exactly out of phase?
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