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Two sounds of very close frequencies, sa...

Two sounds of very close frequencies, say 256 Hz and 260 Hz are produced simultaneously. What is the frequency of resultant sound and also write the number of beats heard in one second?

Text Solution

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Frequency resultant sound, `v_(av)=(v_(1)+v_(2))/(2)=(256+260)/(2)=258Hz`
Number of beats heard in one second, `=260-256=4`.
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