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Turpentine oil is flowing through a 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 = P(r2-x2)/4vl where v,is the velocity of oil at a distance x from the axis of the tube. The dimensions of η are

(a) [M0L0T0]

(b) [MLT-1]

(c) [ML2T-2]

(d) [ML-1T-1]

1 Answer

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Best answer

Correct Option (d) [ML-1T-1]

Explanation: 

 Dimensions of P = [ML-1T-2]

Dimensions of r = [L]

Dimensions of v = [LT-1]

Dimensions of l [L]

:. Dimensions of 

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