Question

Kilogram and second are called fundamental unit. Why?? Give reason.​

Answer 1

Answer:

Without measurement, we cannot estimate the total amount of physical quantity. Those units whose value do not depend on any other units are fundamental units. For example, Length of an object i.e meter, the mass of an object i.e kilogram, time i.e second. Those units whose value depend on other units are derived units.

Explanation:

ok.

Answer 2

Answer:

Those units who are independent of any other units is known as fundamental unit. So,

Explanation:

Kilogram and second are called fundamental unit because they also falls under one of the fundamental units and they are independent of any other units and to know the quantity of something we need the known quantity and they can be known as the known quantity to find out quantity of unknown quantity. Also it is a physical quantity.