If dimensions of critical velocity v_{ {\c}} of a liquid flowing through a tube are expressed as [\eta^x \rho^y r^z] where \eta, \rho 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 [NEET 2015]

Correct Answer is : 1,−1,−1

Class 11 NEET Physics Physical World, Units and Measurements

Question : 32 of 70

Marks: +1, -0

If dimensions of critical velocity vc of a liquid flowing through a tube are expressed as [ηxρyrz] where η,ρ 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

[NEET 2015]

−1,−1,−1
1,1,1
1,−1,−1
−1,−1,1

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