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प्रश्न
What are the fundamental unit in S.I system? Name them along with their symbols.
उत्तर
Fundamental quantities, units and symbols in S.I. system are:
|
Quantity |
Unit |
Symbol |
|
Length |
Metre |
m |
|
Mass |
kilogramme |
kg |
|
Time |
second |
s |
|
Temperature |
kelvin |
K |
|
Luminous intensity |
candela |
cd |
|
Electric current |
ampere |
A |
|
Amount of substance |
mole |
mol |
|
Angle |
radian |
rd |
|
Solid angle |
steradian |
st-rd |
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