Mathematics, 19.01.2021 02:20, paulat
A sound measures 42 dB. The intensity of a second sound is four times as great. What is the decibel level of this second sound?
Answers: 2
), measured in decibels, is defined by the following formula:
(1)
- Reference sound intensity, measured in watts per square meter.
- Real sound intensity, measured in watts per square meter. 
and 
, then the real sound intensity of the first sound is: 
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A sound measures 42 dB. The intensity of a second sound is four times as great. What is the decibel...
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