Answer
a) $ I =10^{-5.5}$
b) $I = 10^{-12.5}$
Work Step by Step
We use the equation for intensities to find:
a) $65 = 10log(\frac{I}{10^{-12}}) \\ I =10^{-5.5}$
b) $-5 = 10log(\frac{I}{10^{-12}}) \\ I = 10^{-12.5}$
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 14 - Exercises and Problems - Page 263: 62
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