Question

If dimensions of critical velocity v. of a liquid flowing
through a tube are expressed as [n*pyr?] 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
[Re-AIPMT-2015]
(1) 1, 1, 1
(2) 1,-1,-1
(3) - 1,-1,1
(4) -1,-1,-1​

Answer 1

The correct Answer is:

1,-1,-1 (2)