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Solve the Problem 5.7×104watt/m25.7 \times 10^{-4} \mathrm{watt} / \mathrm{m}^{2} Of Power What Is the Decibel Level of This Noise (To

Question 90

Multiple Choice

Solve the problem.
-A certain noise produces 5.7×104watt/m25.7 \times 10^{-4} \mathrm{watt} / \mathrm{m}^{2} of power. What is the decibel level of this noise (to nearest decibel) ? Use the formula D=10log(S/S0) \mathrm{D}=10 \log \left(\mathrm{S} / \mathrm{S}_{0}\right) , where S0=1012\mathrm{S}_{0}=10^{-12} watt /m2/ \mathrm{m}^{2} .


A) 88 decibels
B) 202 decibels
C) 78 decibels
D) 9 decibels

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