1.

Write the quantities of an S.I. system of units.

Answer»

Quantities of S.I. system of units :
The French name of this system is “Le System International d Units”. It is abbreviated as S.I. system. It has seven fundamental (or basic) units and two supplementary units.

Fundamental quantities: Length, mass, time, electric current, temperature, luminous intensity and amount of substance.
Supplementary quantities : Plane angle, and solid angle.



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