II Two loudspeakers are placed 3 00 m apart as shown Fig 16

Last updated: 6/9/2023

II Two loudspeakers are placed 3 00 m apart as shown Fig 16 37 They emit 494 Hz sounds in phase A micro phone is placed 3 20 m distant from a point midway between the two speakers where an intensity maximum is recorded a How far must the microphone be moved to the right to find the first inten sity minimum b Suppose the speakers are reconnected so that the 494 Hz sounds they emit are exactly out of phase At what positions are the intensity maximum and minimum now FIGURE 16 37 3 00 m 3 20 m S