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A metal plate of area rests on a layer of oil thick. A tangential force of is applied on it to move it with a constant velocity of . The coefficient of viscosity of the liquid is
(a)0.1 poise
(b)0.5 poise
(c)0.7 poise
(d)0.9 poise

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Important Questions on Fluid Dynamics
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A flat plate of area is separated form a large plate by a layer of Glycerine thick. If the coefficient of viscosity of Glycerine is poise, the force required to keep the plate moving with a velocity of is

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The following inferences are made:
has higher intermolecular interactions compared to
has lower intermolecular interactions compared to
has lower intermolecular interactions compared to
The correct inferences is/are:

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A steel ball is dropped in a viscous liquid. The distance of the steel ball from the top of the liquid is shown below. The terminal velocity of the ball is closest to

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A metal block of base area is placed on a table, as shown in figure. A liquid film of thickness is inserted between the block and the table. The block is pushed by a horizontal force of and moves with a constant speed. If the viscosity of the liquid is , the speed of block is ______ .

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