Two loudspeakers are driven in phase by an audio amplifier
Chapter , Problem 38(choose chapter or problem)
Two loudspeakers are driven in phase by an audio amplifier at a frequency of 600 Hz. The speakers are on the axis, one at and the other at A listener, starting at where walks in the direction along the line (See 36.) (a) At what angle will she first hear a minimum in the sound intensity? ( is the angle between the positive axis and the line from the origin to the listener.) (b) At what angle will she first hear a maximum in the sound intensity (after (c) How many maxima can she possibly hear if she keeps walking in the same direction?
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