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Question

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

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Solution

Step 1: Given that:

The frequency(f) of the tone = 500Hz

Distance of the sound source from the person = 450m

Step 2: Concept and formula used:

The time interval between successive compressions is equal to the time period of the wave. And this time period is the reciprocal of the frequency of the wave.

That is,

Timeperiod(T)=1Frequency(f)

Step 3: Calculation of time interval between successive compressions from the source:

T=1500Hz

T=0.002sec

Thus,

The time interval between successive compressions from the source is 0.002sec .


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