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Audible and Inaudible Sounds

Question 13 W...

Question

Question 13
Why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard?

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Solution

Humming bees produce sound by vibrating their wings which is in the audible range. In case of pendulum, the frequency is below 20 Hz which does not come in the audible range.The audible range is from 20 Hz to 20,000 Hz.

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Audible and Inaudible Sounds

Standard VIII Physics

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