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Frequency

The frequency...

Question

The frequency of a tuning fork is 384 Hz and velocity of sound in air is $352 m s^{- 1}$ . How far sound has travelled when fork completes 36 vibration?

A

33 m

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B

16.5 m

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C

11 m

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D

22 m

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Solution

The correct option is A 33 m
$x = v . t = v \times \frac{n o o f c o m p l e t e v i b r a t i o n}{f r e q u e n c y o f f o r k} = 325$ x $\frac{36}{384} = 33 m$

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