What are Dimensions?
Dimensions of a physical quantity are defined as the powers to which the fundamental quantities should be raised to represent that physical quantity. Dimension of a physical quantity is not dependent on the magnitude or the numeric value of that physical quantity.
To represent dimensions of physical quantities, we use square bracket “[ ]” around the quantity.
Units and Dimensions
Units and Dimensions is a fundamental and essential topic in Physics. For the measurement of a physical quantity, Unit plays a vital role. Unit provides a complete idea about the measurement of a physical quantity. Dimension is a measure of the size or extent of a particular quantity.
In this article, we will learn Units and Dimensions related all details including definition, fundamental and derived units, system of units, List of Units of physical quantities, Dimension formula, List of physical quantities and their dimensions, etc.
Table of Content
- What are Units?
- Fundamental and Derived Units
- What are Dimensions?
- Dimensional Formula
- Dimensionless Quantities