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Permissible noise level at Residential area during night time is :
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- 45 dB (A)
- 55 dB (A)
- 75 dB (A)
- 80 dB (A)
- 45 dB (A)
Correct Option: A
As per the norm, the permissible noise level in residential areas is 45 db during night time, 55 db during day and in commercial areas it is 55 db during night and 65 db during day.
