Question

one typist typing furiously in a room gives rise to an average sound intensity of.10^-8 W/m^2 . what is the intensity level of 100 typists at the same time​

Answer 1

Answer:

L=58 dB=10 log⁡〖10I/I_0 〗

L^'=10 log⁡〖13I/I_0 〗=10(log⁡〖10I/I_0 〗+log⁡1.3 )=58+10 log⁡1.3=59.1 dB.

Explanation:

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