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Question

A sound wave of frequency 500 Hz covers a distance of 1000m in 5 second between points X and Y. The number of waves between X and Y are

A
500
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B
1000
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C
2500
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D
5000
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Solution

The correct option is C 2500
We have the Frequency of the wave as = 500Hz
The Sound wave travels the distance between point x & y in 5 seconds.
Therefore, the number of waves can be calcualted as =500×5=2500

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