Multiple Choice
Two identical loudspeakers are driven in phase by the same amplifier.The speakers are positioned a distance of 3.2 m apart.A person stands 4.1 m away from one speaker and 4.8 m away from the other.Calculate the second lowest frequency that results in destructive interference at the point where the person is standing.Assume the speed of sound to be 340 m/s.
A) 245 Hz
B) 735 Hz
C) 1225 Hz
D) 490 Hz
E) 1470 Hz
Correct Answer:

Verified
Correct Answer:
Verified
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