SI Units

SI Units :
          There are seven fundamental units given in the following table:
Physical Quantity
SI Unit
Symbol
Length
Metre
m
Mass
Kilogram
Kg
Time
Second
s
Electric Current
Ampere
A
Temperature
Kelvin
K
Luminous intensity
Candela
Cd
Amount of substance
Mole
mol


          Besides these seven fundamental units, two supplementary units are also defined, viz, radian [rad] for plane angle and steradian (sr) for solid angle.

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