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Halliday 2 Cap 18 - P18 020

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    December 2018
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20. Sample Problem 18-5 shows that a decibel difference ∆β is directly related to an intensity ratio (which we write as R = I  /I). Thus, ∆β = 10 log(R) =⇒ R = 10∆β/10 = 100.1 = 1.26 .