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A tuning fork produces 4 beats`//`s when sounded with a fork of frequency 512 Hz. The same tuning fork. When sounded with another fork of frequency 51

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A tuning fork produces 4 beats`//`s when sounded with a fork of frequency 512 Hz. The same tuning fork. When sounded with another fork of frequency 514 Hz produces 6 beats `//` second. Find the unknown frequency of the fork.
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Let the unknown frequency be v.
`:. v=512+-4=516 or 508 Hz`
Also,` v=514+-6=520 or 508 Hz.`
As common frequency is 508 Hz. This must be the unknown frequency.
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