Question

A fixed quantity used as a standard for measuring physical quantities is called.

Answer 1

1. A physical quantity is any physical property that can be measured using numbers or we can say that it can be easily quantified.
2. Examples of physical quantities- Mass, temperature, length, time and many others.
3. A unit is a fixed quantity used as a standard for measuring physical quantities.

Hence, a fixed quantity is used as a standard for measuring physical quantities is called a unit.