Answer :

Given:

The equation for volume flow per second V=

The for the equation to be dimensionally correct the the dimensional formula of the equation must be equal to the dimensional formula of the volume flow per second.

Thus dimensional formula of

Dimensional formula of pressure

Dimensional formula of coefficient of viscosity

Dimensional formula of length

Dimensional formula of radius

Thus dimensional formula of RHS of the equation

And dimensional formula of LHS

Therefore, LHS = RHS

Thus, the given equation is dimensionally correct.

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