Two identical loudspeakers are linked in series to an a.c. supply, as illustrated. A microphone is then moved along the line PQ. Which graph best shows how the intensity of the sound detected by the microphone varies with distance from P?
Physics 9702 · AS & A Level · Interference
Two identical loudspeakers are linked in series to an a.c. supply, as illustrated. A microphone is then moved along the line PQ. Which graph best shows how the intensity of the sound detected by the microphone varies with distance from P?