When two sound sources of the same amplitude but of slightly different frequencies $v_1$ and $v_2$ are sounded simultaneously, the sound one hears has a frequency equal to
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The resulting sound wave has a frequency equal to half the sum of the idividual
frequencies. note that the resulting intensity varies at the beat frequency equal to difference of the individual frequencies.
frequencies. note that the resulting intensity varies at the beat frequency equal to difference of the individual frequencies.
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