College Physics 10th Edition by Raymond Serway,Chris Vuille

Exercise 42

The two speakers are placed 35.0 cm apart. A single oscillator makes the speakers vibrate in phase at a frequency of 2.00 kHz. At what angles, measured from the perpendicular bisector of the line joining the speakers, would a distant observer hear maximum sound intensity Minimum sound intensity (Take the speed of sound to be 340 m/s.)