Two speakers are placed side-by-side and are driven by the same frequency of 420. Hz. If the distance from a man to one speaker is 3.30 m and he detects little or no sound, what are the possible distances that he is from the other speaker? Take the speed of sound in air as 340. m/s.

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Two speakers are placed side-by-side and are driven by the same frequency of 420. Hz. If the distance from a man to one speaker is 3.30 m and he detects little or no sound, what are the possible distances that he is from the other speaker? Take the speed of sound in air as 340. m/s.

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