Two sound waves produce 12 beats in 4 second. By how much do their fre

1.	Two sound waves produce 12 beats in 4 second. By how much do their frequencies differ ?
Answer» Solution :`{:("Number of beats"),("produced per second"):}}=(12)/(4)=3s^(-1)` `:. {:("The DIFFERENCE"),("in FREQUENCY"):}}=3Hz`

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