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Introduction of Dimensions.

  • The nature of physical quantities is given by their dimensions. The derived physical quantities are given by derived units, which are expressed in terms of some combination of fundamental quantities.

  • Dimensions of a physical quantity are the powers (or exponents) to which the base quantities are raised to represent that quantity.

Dimensional formula:

  • The dimensional formula of any physical quantity gives expression which represents how and which of the… (100 more words) …

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