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Frequency

A violin stri...

Question

A violin string emits sound of frequency $510 H z$ . How far will the sound waves reach when string complete $250$ vibrations? The velocity of sound is $340 m / s$ .

A

166.7 m

.

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B

366.7 m

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C

266.7 m

.

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D

566.7 m

.

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Solution

The correct option is A $166.7 m$ .
Given, frequency $f = 510 H z$
Time required for $250$ vibration $= \frac{250}{510} = 0.49 s$
Distance travelled $= 340 \times 0.49 = 166.7 m$

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