Aerospace Engineering > GATE 2020 > Fluid Dynamics
A pair of infinitely long, counter-rotating line vortices of the same circulation strength Γ are situated a distance h apart in a fluid, as shown in the figure. The vortices will
A
rotate counter-clockwise about the midpoint with the tangential velocity at the line vortex equal to
B
rotate counter-clockwise about the midpoint with the tangential velocity at the line vortex equal to
C
translate along + y direction with velocity at the line vortex equal to
D
translate along +y direction with velocity at the line vortex equal to

Correct : c

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