Two Loudspeakers Placed 6

question 468

Multiple Choice

Two loudspeakers placed 6.00 m apart are driven in phase by an audio oscillator having a frequency range from 1908 Hz to 2471 Hz. A point P is located 4.70 m from one loudspeaker and
3) 60 m from the other speaker. At what frequency of the oscillator does the sound reaching point P
Interfere constructively? The speed of sound is 344 m/s.

• A) 2420 Hz
• B) 2340 Hz
• C) 2270 Hz
• D) 2110 Hz
• E) 2190 Hz