Question

What do you understand by the term unit?

Answer 1

1. When we measure a physical quantity, it is always expressed in terms of a known quantity, called a unit.
2. A physical quantity is expressed as a ‘unit’.
3. A unit of measurement is defined as a magnitude of a physical quantity that is used as a standard for measurement of the same kind of physical quantity.
4. For example, for a 10 metre long table, ‘metre’ is the unit of measurement while ‘10’ is the magnitude of measurement.