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A source emitting sound of frequency 125placed in front of a wall at a distance of 3 mit. A detector is also placed in front of the walsame distance from wall. If the time between thsound received directly from the source and soureflected from the wall is 8 ms, then find thedistance between source and detector. Speed dtosound in air is 250 m/s.3 m

Answer» A source emitting sound of frequency 125placed in front of a wall at a distance of 3 mit. A detector is also placed in front of the walsame distance from wall. If the time between thsound received directly from the source and soureflected from the wall is 8 ms, then find thedistance between source and detector. Speed dtosound in air is 250 m/s.3 m


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