If dimensions of critical velocity of a liquid flowing through a tube are expressed ad npr, where n,p and r are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of x, y and z are given by

Options

(a) -1, -1, 1
(b) -1, -1, -1
(c) 1,1,1
(d) 1, -1, -1

Correct Answer:

1, -1, -1

Explanation:

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