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Sagot :
Answer:
Explanation:
log10 function is required to convert dB into intensity of a sound. Both are measures of loudness of a sound and the relationship can be expressed as follows:
dB = 10 log10(I/Io), where Io is 10^-12 W/m^2
Substituting, 82 = 10 log10(I/10^-12)
I = 0.0001585 W/m^2
or 1.58*10^-4 W/m^2
Answer:
Explanation:
82dB = 10log(Intensity/10^-12)
Intensity = 10^-12*10^(82/10)
=10^(-3.8)
=1.585*10^-4 W/m2
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