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16.4 Exercise 15

Avg difficulty 2.5

A microphone receiving a pure sound tone feeds an oscilloscope, producing a wave on its screen. If the sound intensity is originally 2.00×10−5W/m22.00 \times 10^{−5} \text{W}/\text{m}^{2}, but is turned up until the amplitude increases by 30.0%30.0 \%, what is the new intensity?

OpenStax University Physics Volume 1, 16.4 Energy and Power of a Wave, exercise 15

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.