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A typical sound level for a buzzing mosquito is 35 dB, and that of a vacuum...

A typical sound level for a buzzing mosquito is 35 dB, and that of a vacuum cleaner is approximately 61 dB. Approximately how many buzzing mosquitoes will produce a sound intensity equal to that of a vacuum cleaner?
_____ mosquitoes

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Answer #1

Decibel level corresponding to an intensity level I is given by

I0 is the reference intensity level

Each mosquito produces a buzz of 35 dB i.e.,

Let n such mosquito will produce a buzz equivalent to that of a vacuum cleaner.

Approximately 398 mosquitoes will produce the same buzz as that of a vacuum cleaner.

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