Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 14 - Exercises and Problems - Page 272: 65


The proof is below.

Work Step by Step

We use the equation for the sound intensity level to find: $ \beta = 10log(\frac{I}{I_0})$ Thus, we find: $ \beta = 10log(\frac{2I}{I})$ $ \beta = 10log(2)$ $ \beta \approx 3$
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