Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Engineering Air and Noise Pollution
Water vapour in an urban atmosphere is found to exert a pressure of 6.0 mb at 27°C. The density of water vapour is
1
∼ 4.34 × 10-3 kg/m3
2
∼ 1.29 × 10-3 kg/m3
3
∼ 2.69 × 10-3 kg/m3
4
∼ 6.31 × 10-3 kg/m3