Physics
Permissible noise level at Residential area during night time is :
45 dB (A)
55 dB (A)
75 dB (A)
80 dB (A)
45 dB (A)
In commercial areas, it is 65 dB and 55 dB while in residential areas it is 55 dB and 45 dB during daytime and night respectively.
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