Question: The relationship between the number of decibels and the intensity of a sound I (in watts per square meter) is = 10 log

The relationship between the number of decibels and the intensity of a sound I (in watts per square meter) is β = 10 log I/10−12.
(a) Determine the number of decibels of a sound with an intensity of a watt per square meter.
(b) Determine the number of decibels of a sound with an intensity of 10-12 watt per square meter.
(c) The intensity of the sound in part (a) is 100 times as great as that in part (b). Is the number of decibels 100 times as great? Explain.

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