A Certain Noise Measures 79 Decibels $$\mathrm { L } = 10 \log \left( \frac { \mathrm { I } } { \mathrm { I } _ { 0 } } \right)$$

question 196

Multiple Choice

A certain noise measures 79 decibels. If the intensity is multiplied by 10, how many decibels will the new noise measure? $$\mathrm { L } = 10 \log \left( \frac { \mathrm { I } } { \mathrm { I } _ { 0 } } \right)$$

• A) 79 decibels
• B) 89 decibels
• C) 80 decibels
• D) 790 decibels

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