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Two loudspeakers A and B (connected to the same source) are 20.0 m apart and each produce a sound wave of frequency 220 Hz. You can assume that the waves produced by the speakers are in phase. A microphone is initially placed at the midpoint (O) of the line AB. The microphone is then moved along AB from O towards B. What is the shortest distance the microphone must be moved until the sound intensity detected by it is a maximum? [Speed of sound = 340 m/s] 7.50m

Two loudspeakers A and B (connected to the same source) are 20.0 m apart and each produce a sound wave of frequency 220 Hz. You can assume that the waves produced by the speakers are in phase. A microphone is initially placed at the midpoint (O) of the line AB. The microphone is then moved along AB from O towards B. What is the shortest distance the microphone must be moved until the sound intensity detected by it is a maximum? [Speed of sound = 340 m/s] 7.50m

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Two loudspeakers A and B (connected to the same source) are 20.0 m apart and each produce a sound wave of frequency 220 Hz. You can assume that the waves produced by the speakers are in phase. A microphone is initially placed at the midpoint (O) of the line AB. The microphone is then moved along AB from O towards B. What is the shortest distance the microphone must be moved until the sound intensity detected by it is a maximum? [Speed of sound = 340 m/s] 7.50 m The sound intensity will be a maximum only at O and nowhere else 155 cm 5.00 m 77.3 cm 38.6 cm
Transcribed Image Text:Two loudspeakers A and B (connected to the same source) are 20.0 m apart and each produce a sound wave of frequency 220 Hz. You can assume that the waves produced by the speakers are in phase. A microphone is initially placed at the midpoint (O) of the line AB. The microphone is then moved along AB from O towards B. What is the shortest distance the microphone must be moved until the sound intensity detected by it is a maximum? [Speed of sound = 340 m/s] 7.50 m The sound intensity will be a maximum only at O and nowhere else 155 cm 5.00 m 77.3 cm 38.6 cm
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