What is the decibel level of a sound with intensity of 5.0x10 -10 W/m 2
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What is the decibel level of a sound with intensity of 5.0x10 -10 W/m 2

[From: ] [author: ] [Date: 12-05-09] [Hit: ]
= 10log(5.0 x 10⁻¹⁰W/m² / 1.......
What is the decibel level of a sound with intensity of 5.0x10^-10W/m2?


The answer is 27, but I need to know the steps. Please and thank you.

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β = 10log(I/I₀)
= 10log(5.0 x 10⁻¹⁰W/m² / 1.0 x 10⁻¹²W/m²)
= 27dB
1
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