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Title: Units and derivatives
Description: Notes containing physics chapter units and derivatives first part
Description: Notes containing physics chapter units and derivatives first part
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Chapter 1
Units and Measurement
Measurement of any physical quantity involves comparison with a certain basic,
internationally accepted reference standard called unit
...
Fundamental and Derived Quantities
...
There are two types of physical quantities- Fundamental quantities(Base quantities) and
Derived quantities
...
Eg: length, mass, time
...
Eg: volume, velocity, force
Fundamental and Derived Units
The units for the fundamental or base quantities are called fundamental or base units
...
The units of the derived quantities are called derived units
...
Three
such systems, the CGS, the FPS (or British) system and the MKS system were in use
extensively till recently
...
FPS system - foot, pound and second
...
The International System of Units
In 1971 the General Conference on Weights and Measures developed an internationally
accepted system of units for measurement with standard scheme of symbols, units and
abbreviations
...
SI system is now for international usage in scientific, technical, industrial and commercial
work
...
FPS system - foot, pound and second
...
The International System of Units
In 1971 the General Conference on Weights and Measures developed an internationally
accepted system of units for measurement with standard scheme of symbols, units and
abbreviations
...
SI system is now for international usage in scientific, technical, industrial and commercial
work
...
Title: Units and derivatives
Description: Notes containing physics chapter units and derivatives first part
Description: Notes containing physics chapter units and derivatives first part