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System of unit is considered one of the most asked concept.
10 Questions around this concept.
Which of the following is not a metric unit of volume in the SI system?
Which of the following is a derived unit in the SI system?
A complete set of units, for all kinds of physical quantities (both fundamental and derived ), is known as a system of units.
Types of System of unit
C.G.S. system- In this system, fundamental units are centimeters (cm), grams (g) and second (sec)
M.K.S. System- In this system, fundamental units are meter, kilogram and second.
F.P.S. system- In this system foot, pound and second is used for measurement of length, mass and time.
S.I. System-
It is known as the International System of units. There are seven fundamental quantities in this system.
It is the modification of m.k.s system
Fundamental Quantity |
Fundamental Units |
Symbol |
Length |
meter |
m |
Mass |
Kilogram |
Kg |
Time |
second |
s |
Electric current |
Ampere |
A |
Temperature |
Kelvin |
K |
Amount of substance |
mole |
mole |
Luminous Intensity |
candela |
cd |
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