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A person is 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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0.002 s

4.1 s

0.2 s

0.004 s

answer is A.

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Detailed Solution

The time interval between successive compressions from the source is

0.002 s

.
Frequency of the tone

(f) = 500 Hz,

distance of a person from the sound source

(d) = 450 m

We know that
The time interval between successive compressions is the time period
So,

T = \frac{1}{f}

\Rightarrow T = 1 / 500

\Rightarrow T = 0.002 s

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