Asked by Student
A whisper in a Quiet library is about 30 decibels. What decibel level would be recorded by a table of 10 library patron each whispering at 30 decibels?
Would the answer be 40?
Would the answer be 40?
Answers
Answered by
Anonymous
add 10 log power ratio
10 log 10 = 10
so yes 40
10 log 10 = 10
so yes 40
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