You are given four tuning forks, the lowest frequency of the forks is \( 300 \mathrm{~Hz} \). By...

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You are given four tuning forks, the lowest frequency of the forks is \( 300 \mathrm{~Hz} \). By striking two
\( \mathrm{P} \) tuning forks at a time any of \( 1,2,3,5,7 \& 8 \mathrm{~Hz} \)

W beat frequencies are heard. The possible frequencies of the other three forks are-
(1) \( 301,302 \& 307 \)
(2) \( 300,304 \& 307 \)
(3) 301,303 \& 308
(4) None of these
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