Class 11 Physics Units and Measurements Dimensional Formula and Dimensional Equation

Dimensional Formula and Dimensional Equation

Dimensional Formula is the expression which shows how and which of the base quantities represent the dimensions of a physical quantity.

Dimensional Equation is an equation obtained by equating a physical quantity with its dimensional formula.

Physical Quantity

Dimensional Formula

Dimensional Equation

Volume

[M0 L3 T0]

[V] = [M0 L3 T0]

Speed

[M0 L T-1]

[υ] = [M0 L T-1]

Force

[M L T-2]

[F] = [M L T-2]

Mass Density

[M L-3 T0]

[ρ] = [M L-3 T0]

 

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