Question

define dimensional formula with example​

Answer 1

Hi Friend, Here is your answer...........

Dimension formula tells about which fundamental quantities are there in the physical quantity given. ... For example if we know that the velocity depends upon length and time we can calculate the powers of the base quantities. [L1M0T−1]=[LaMbTc] now a,b,c can be calculated.

The equations obtained when we equal a physical quantity with its dimensional formulae are called Dimensional Equations.

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Dimensional Equations.

Physical Quantity Dimensional Equation

Force (F) [F] = [M L T-2]

Power (P) [P] = [M L2 T-3]

Velocity (v) [v] = [M L T-1]

Density (D) [D] = [M L3 T0]

Hope it will be helpful to you............

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Answer 2

Answer:

Dimension formula express any physical quantity in the expression of basic unit of Mass, Lenght, Time.

eg, force:- Newton :- kgm/s :- [MLT^-2].