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Question

A person is listening to a tone 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between the successive compression from the source ?

A
5 milli second
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B
1 milli second
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C
2 milli second
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D
2 second
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Solution

The correct option is C 2 milli second
Given - n=500Hz ,
the time interval between two successive compressions or rarefactions is called , time period of wave , which is given by ,
T=1/n=1/500=0.002s=2millisecond


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