What is Dimensional Analysis ? State uses of Dimensional Analysis.

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A method of obtaining the solution of certain problems in physics by using dimensional formula is called dimensional analysis.

Uses of Dimensional Analysis :

$(a)$ To obtain the relation between the units of some physical quantity in two different systems of units.

$(b)$ To check the dimensional consistency of an equation connecting different physical quantities.

$(c)$ To derive the equation for a physical quantity in terms of the other (related) physical quantities.

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The foundations of dimensional analysis were laid down by