what is si
Asked by shibammondal491 | 7th May, 2021, 05:42: PM
I guess you are referring SI units system .
SI units sytem is called International standard units system .
In this units sytem, units of physical quantities are expressed in terms of fundamental units .
In this units system , 7 quantities are considered as fundamental quantities .
These fundamental quantities and units of respective fundamenetal quantities are given below.
Above units of fundamental quantities are called fundamental units.
Other physical quantities are called derived quantities and their units are called derived units
area = length × length , units m2
density = mass/volume , units kg/m3
speed = distance / time , units m/s
metre , m
Current , A
Amount of Substance
|Length||metre , m|
|Current||Current , A|
|Amount of Substance||mole|
|Luminous intensity||Candela, Cd|
Answered by Thiyagarajan K | 7th May, 2021, 06:44: PM
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