Q. A thin plate of large area is placed midway in a gap of height H fiiled with the oil of viscosity and the plate is pilled on the constant velocity V, If a lighter oil of viscosity n is then in the gap it is found that for the velocity V , the drag force will be the plate is located unsymmetrically in the gap but parallel to the walls find n in terms of distance from the nearer wall to the plane y.
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