Physical World and it's Measurements(Part-2)
System of units
There are various of system of units and which are as follow:-
1)E.P.S.:In this system of measurements the length is measured in foot, weight is measured in pound and time is measured in second.
2)C.G.S.:In this system of measurements the length is measured in centimetre, the weight is measured in gram and the time is measured in second.
3)M.K.S.:In this system of measurements the length is measured in metre, weight is measured in kilogram and time in second.
4)S.I. system(International system):This system of measurements is used by all the countries at international level.
List of fundamental units
S.No. Physical quantity Fundamental Units Symbols
1) Mass Kilogram Kg
2) Length Metre M
3) Time Second S
4) Temperature Kelvin K
5) Electric Current Ampere A
6) Luminous Intensity Candela Cd
7) Quantity of Matter Mole M
List of Some Drive Units
S.No. Physical Quantity Drive Units Symbols
1) Force Newtone N
2) Energy Joule J
3) Power Weight W
continued in part 3.........
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