A tuning fork whose frequency as given by manufacturer is $512 Hz$ is being tested with an accurate oscillator. It is found that the fork produces a beat of $2 Hz$ when oscillator reads $514 Hz$ but produces a beat of $6 Hz$ when oscillator reads $510 Hz$. The actual frequency of fork is ..... $Hz$
  • A$508$
  • B$512$
  • C$516$
  • D$518$
Medium
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