Question

Length is called a physical quality of Give reasons

Answer 1

For example length of the body is a fundamental quantity as it cannot be expressed in terms of other quantity. Those physical quantities, which depend on two or more fundamental quantities or power of a fundamental quantity, are called derived quantities.

In physics, there are seven fundamental physical quantities that are measured in base or physical fundamental units: length, mass, time, electric current temperature, amount of substance, and luminous intensity.