What is the dimension of a physical quantity?

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(B) Dimension: The power or exponent to which base quantities are raised to represent a derived quantity is called the dimension of that quantity.Exam

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The power to which the base quantities are raised to represent a derived quantity.

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(B) Dimension: The power or exponent to which base quantities are raised to represent a derived quantity is called the dimension of that quantity.Example: $	ext{Volume} = 	ext{length} 	imes 	ext{breadth} 	imes 	ext{height}$.Since length,breadth,and height are all types of lengths,their dimensional representation is $L$.$	ext{Volume} = L 	imes L 	imes L = L^{3}$.Thus,the dimension of volume is $3$ in length.

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