Question

Fill in the blanks using the suitable word(s).

The units of fundamental physical quantities are known as ______ units.

Answer 1

1. The physical quantities which do not depend on any other physical quantities for their measurements are called fundamental quantities or base quantities.
2. There is a total of 7 fundamental physical quantities which are length, mass, time, temperature, luminous intensity, electric current, and amount of substance.
3. Fundamental units refer to the units that relate to the fundamental physical quantities.

Hence, the units of fundamental physical quantities are known as fundamental units.