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# The frequency of a tuning fork is 350 Hz.find how many vibrations it executes while the sound produced by it travels a distance of 70 m

Grade:10

## 1 Answers

Eshan
askIITians Faculty 2095 Points
3 years ago
Dear student,

The speed of sound is 340m/s. Hence the time taken by sound to travel 70m is$\dpi{80} \dfrac{70}{340}s$
Hence number of vibrations in the tiven time period=$\dpi{80} \dfrac{t}{T}=\dfrac{70/340}{1/350}=72$

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