Two Loudspeakers Placed 6

question 23

Multiple Choice

Two loudspeakers placed 6.0 m apart are driven in phase by an audio oscillator whose frequency range is 2193 Hz to 2967 Hz. A point P is located 4.4 m from one loudspeaker and 3.6 m from the other. The speed of sound is 344 m/s. The frequency produced by the oscillator, for which constructive interference of sound occurs at point P, is closest to

• A) 2580 Hz.
• B) 2903 Hz.
• C) 2473 Hz.
• D) 2795 Hz.
• E) 2688 Hz.

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