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# Two speakers are driven exactly out of phase with each other at 256 Hz. If a microphone placed on ...

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Two speakers are driven exactly out of phase with each other at 256 Hz. If a microphone placed on the line between the two speakers, exactly in the middle, detects no sound at all, then what is possibly the distance between the microphone and each speaker? The speed of sound is 340 m/s.

0.75 m

0.38 m

Can be any distance at all

1.50 m

0.94 m

Textbook

## College Physics

Edition: 5th
Author:
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yoorimchiyoorimchi
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