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[" The frequency of a tuning fork is "22...

[" The frequency of a tuning fork is "220Hz" and the velocity of sound in "],[" air is "330m/s" .When the tuning fork completes "80" vibrations,the "],[" distance travelled by the wave is "],[[" (A) "100m," (B) "120m," (C) "140m" (D) "160m]]

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