A new glass window is installed. As a result, the intensity level of the sound entering the room is reduced from 72 dB to 47 dB. The intensity of the sounds entering the chamber is reduced by
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Expert's answer
2018-12-20T09:19:10-0500
The sound intensity level
L=10 lg〖I/I_0 〗
So, the intensity of the sounds
I=I_0 〖10〗^(L/10)
Therefore, the intensity of the sounds entering the chamber is reduced by
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