The volumetric flow rate (per unit depth) between two streamlines having stream functions ψ1 & ψ2 is A. |ψ1+ψ2| B. ψ1ψ2 C. ψ1/ψ2 D. |ψ1−ψ2|
Ans: The volumetric flow rate (per unit depth) between two streamlines having stream functions ψ1 & ψ2 is |ψ1−ψ2|