Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Pollution
If the intensity of a given noise increases two-fold, the noise level in decibels (dB) increases by
1
~2 dB
2
~3 dB
3
~6 dB
4
~10 dB
If the intensity of a given noise increases two-fold, the noise level in decibels (dB) increases by