The velocity fo a spherical ball through a visocous liquid is given by `v = v_(0) (1- e^(kt))`, where `v_(0)` is the initial velocity and `t` represents time. If `K` depends on radius of ball `(r)`, coefficient of viscosity `(eta)` and mass fo the ball `(m)`, tehn

If the velocity of surface wave (v) depends upon surface tension (T), coefficient of viscosity (eta) and density (rho) then the expression for v will be .

The terminal velocity V of a spherical ball of lead of radius R falling through a viscous liquid varies with R such that

The terminal velocity v of a spherical ball of lead of radius R falling through a viscous liquid varies with R such that

The terminal velocity v of a small steel ball ofradius r fal ling under gravity through a column ofa viscous liquid of coefficient of viscosity eta depends on mass of the ball m, acceleration due to gravity g, coefficient of viscosity eta and radius r. Which of the following relations is dimensionally correct?

The critical velocity of the flow of a liquid through a pipe of radius 3 is given by v_c= (K eta/rp) , where p is the density and eta , is the coefficient of viscosity of liquid. Check if this relation is dimentionally correct.

The critical velocity v of a body depends on the coefficient of viscosity eta the density d and radius of the drop r. If K is a dimensionless constant then v is equal to