Question

What do you mean by fundamental and supplementary units of SI? ​

Answer 1

Explanation:

the fundamental quantities, as defined by the International System of Units.S.I. units are metre, kilogram, second, kelvin, ampere, candela and mole...

Supplementary units are the dimensionless units that are used along with the base units to form derived units in the International system..radian and the steradian...

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Answer 2

What do you mean by fundamental and supplementary units of SI?

Such physical quantities are called fundamental physical quantities and there units are called fundamental units. For e.g. length, mass and time are fundamental quantities required in mechanics and their units meter, kilogram and second are fundamental units. Supplementary unit of SI: angle=radian. solid angle= ..