Question

how are the dimensions of a physical quantity written? explain
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Answer 1

ANSWER.

The dimension of physical quantity may be defined as the number of times the fundamental units of mass, length and time appear in the physical quantity.

Explanation:

EXAMPLE:

The dimensional formula is defined as the expression of the physical quantity in terms of its basic unit with proper dimensions. For example, dimensional force is F=[MLT−2] It's because the unit of Force is N(newton) or kg×m/s2.

Answer 2

The dimensions of a physical quantity may be defined as the number of times the fundamental units of mass, length and time appear in the physical quantity .