A Microphone Records Sound Produced from Two Speakers

A microphone records sound produced from two speakers. As the microphone is moved around, a position at which the microphone receives a minimum intensity is found. If the intensity of one of the sound waves alone at that location is 0.055 W/m², and if the microphone receives an intensity of 0.004 W/m² there, what is a possible value for the intensity of the other source at the microphone's location?

A) Need more info to solve.
B) 0.089 W/m²
C) 0.051 W/m²
D) 0.048 W/m²

Correct Answer:

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