Question

1. Define the fundamental and supplementary units on SI.

Answer 1

Hi_______
Fundamental Units:
There are certain quantities in physics which can’t e defined but other physical quantities can be defined in terms of these quantities. 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=steradian
hope it help

Answer 2

Answer:

fundamental units: those units which are totally independent and cannot be derived from other units are called fundamental units

Supplementary units: The units that are used along with base units to form derived units in the International System are called supplementary units.

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