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CLASS IX
Physics >> Sound
4.
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?
Ans.
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Here, frequency of the source, n = 500 Hz
The time period between successive compressions from the source is equal to the time period of the tone, i.e., (1/500)s and it has nothing to do with the distance (450 m) of the person from the source provided the sound wave reaches the person.
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