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The Difference N the Noise Levels of Two Sounds Is

Question 193

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The difference n the noise levels of two sounds is measured in decibels, where the number of decibels = The difference n the noise levels of two sounds is measured in decibels, where the number of decibels = . Compare the noise levels when I<sub>1 </sub>= 10<sup>-12</sup> watts/cm<sup>2</sup> and I<sub>2</sub> = 10<sup>-9</sup> watts/cm<sup>2</sup>. . Compare the noise levels when I1 = 10-12 watts/cm2 and I2 = 10-9 watts/cm2.

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