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10-4 W/m2 how do you get that in decibel if the start is I0= 10 -12 W/m2 L=10*log⁡(I/I_0 ) [dB] L=10*log⁡(I/I_0 ) [dB]

Guest Apr 24, 2017
 #1
avatar+26750 
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10-4/10-12 → 108

 

L = 10*log10(108) → 10*8 or L = 80 dB

.

Alan  Apr 24, 2017

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