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One stereo loudspeaker produces a sound with a wavelength of 0.68 meters while the other speaker

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One stereo loudspeaker produces a sound with a wavelength of 0.68 meters while the other speaker produces sound with a wavelength of 0.65 m. What would be the resulting beat frequency?

A) 3 Hz 

B) 23 Hz 

C) 66.5 Hz 

D) 500 Hz 

E) 11333 Hz

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1 Answer

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Best answer

The correct option is: (B) 23 Hz 

Explanation:

Determine each separate frequency using the speed of sound as 340 and v = f λ. Then subtract the two frequencies to get the beat frequency.

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