A brand of earplugs reduces the sound intensity level by
A brand of earplugs reduces the sound intensity level by 28dB .
By what factor do these earplugs reduce the acoustic intensity?
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a brand of earplugs reduces the sound intensity level by 28db by what factor do these earplugs reduce the acoustic
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if 250 ml of 0451 m hno3 solution is titrated with 0451 m naoh calculate the ph of the solution after each of the
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