1.

Define dimensional formula. Give uses of dimensional analysis.

Answer»

Thedimensional formulaisdefinedas the expression of the physical quantity in terms of its basic unit with properdimensions. For example,dimensionalforce is. F = [M L T-2] It's because the unit of Force is Netwon or kg*m/s2.

Dimensional analysisis usedto derive relationships between the physical quantities that are involved in a particular phenomenon that one wishes to understand and characterize.

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