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Infra, Ultra and Audible Sound

Question 17 W...

Question

Question 17
We have learnt that vibration is necessary for producing sound. Explain why the sound produced by every vibrating body cannot be heard by us?

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Solution

If the sound produced by a vibrating body is in the audible range, which lies between the range of frequencies from 20Hz to 20,000Hz, the sound produced will be heard by us otherwise we will not be able to hear the sound .

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Infra, Ultra and Audible Sound

Standard VIII Physics

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