In Fig. 17-38, sound with a 40.0 cm wavelength travels
Chapter , Problem 22(choose chapter or problem)
In Fig. 17-38, sound with a 40.0 cm wavelength travels rightward from a source and through a tube that consists of a straight portion and a half-circle. Part of the sound wave travels through the halfcircle and then rejoins the rest of the wave, which goes directly through the straight portion. This rejoining results in interference. What is the smallest radius r that results in an intensity minimum at the detector? Source Detector r Figure 17-38 22
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