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
B
16.5 m
C
11 m
D
22 m

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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