International system of units (S.I. system of units) Physics Notes
The international system of units (S.I. system of units):
The international system of units (abbreviated as SI, from the French system international (d’ unites) is the modern form of the metric system, and is the most widely used system of measurement.
The S.I is based on the following seven fundamental units and two supplementary units as listed in the table.
Fundamental quantities and their units
Supplementary quantities and their units:
Example of derived quantities:
Abbreviation in power often: In order to write very large and very small quantities compactly, some times we make use of certain prefixes. The following table gives the prefixes, their symbols and their values expressed as power of 10.
