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If a large housefly 3.0 m away from you makes a noise of40.0 dB, what is the noise level of 1000 flies at that distance,assuming interference has a negligible effect?

Question

If a large housefly 3.0 m away from you makes a noise of
40.0 dB, what is the noise level of 1000 flies at that distance,
assuming interference has a negligible effect?

check_circleAnswer
Step 1

Assume the intensity of one housefly to be I. Then, the intensity of 1000 houseflies is 1000I. The variables that are to be used are noise level β and standard threshold intensity I. The expression for noise level is given by,

 

 

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Science

Physics

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