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Question

The frequency of a tuning fork is 384 Hz and velocity of sound in air is $$\displaystyle 352 ms^{-1}$$. 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
$$\displaystyle x = v.t = v \times \dfrac{no \ of \ complete \ vibration }{frequency \ of fork}=325$$ x $$\displaystyle\frac{36}{384} = 33 m$$

Physics

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