Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Environmental Pollution and Control
Consider Gaussian-point source dispersion model with effective stack height H and dispersion coefficient σz = \(\frac{H}{\sqrt2}\). If the effective stack height H increases by 10%, the downwind ground-level concentration of pollutants would
1
increase by 20%
2
decrease by 21%
3
increase by 5%
4
decrease by 5%