17 OCT 2020 (People & Environment) 1st and 2nd Shift NTA UGC NET JRF Question paper, Answer key
1. If the intensity of a given noise increases two-fold, the noise level in decibels (dB) increases by: 1. 2 […]
1. If the intensity of a given noise increases two-fold, the noise level in decibels (dB) increases by: 1. 2 […]