Physical Quantities
Advertisements
Description:
Please note, this is a STATIC archive of website www.tutorialspoint.com from 11 May 2019, cach3.com does not collect or store any user information, there is no "phishing" involved.
Physical quantity is the name of a characteristic or property or phenomenon in our nature which can be measured. Physical quantities can be classified into two groups – fundamental quantities and derived quantities.
Fundamental quantity
Fundamental quantity is the one which cannot be expressed in terms of any other quantity. There are basically 7 fundamental quantities −
- Mass
- Length
- Time
- Temperature
- Electric current
- Luminosity
- Number of particles
There 2 more quantities which were discovered later and added to the list of fundamental quantities −
- Plain angle
- Solid angle
Derived quantity
Derived quantity is that characteristic, which can be expressed in terms of many fundamental quantities.
Example − Area, volume, speed, force, work, etc.
Advertisements