Two Loudspeakers Placed 6

question 519

Multiple Choice

Two loudspeakers placed 6.00 m apart are driven in phase by an audio oscillator having a frequency range from 1595 Hz to 2158 Hz. A point P is located 4.70 m from one loudspeaker and
3) 60 m from the other speaker. The speed of sound in the room is 344 m/s. At what frequency (or
Frequencies) of the oscillator does the sound reaching point P interfere destructively? (There could
Be more than one correct choice.)

• A) 1720 Hz
• B) 2130 Hz
• C) 2030 Hz
• D) 2100 Hz
• E) 1630 Hz

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