What are Units?
Units are values used to measure and express various physical quantities. Unit gives us a complete and clear idea about a physical quantity. Measurement of a physical quantity consists of mainly two parts – Numeric value and unit.
Measurement of physical quantity = Numerical value x Unit
For example, A rectangular garden has 50 meter length.
Here, “50” is the numeric value or magnitude, and “meter” is the Unit of the physical 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