Turpentine oil is flowing through a capillary tube of length l and radius r. The pressure difference between the two ends of the tube is P. The viscosity of oil is given by : η=Pr2-x24vl Here v is velocity of oil at a distance x from the axis of the tube. From this relation, the dimensional formula of η is
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Turpentine oil is flowing through a capillary tube of length l and radius r. The pressure difference between the two ends of the tube is P. The viscosity of oil is given by : η=Pr2-x24vl Here v is velocity of oil at a distance x from the axis of the tube. From this relation, the dimensional formula of η is