Measurements
measurements is a comporison process with respect to a Standard value os same kind the starbed value is called unit. A measurement is represented by a=nE
STE
eg: length 180cm
2,4 = nauz
Sundamental quantities
the quantities they are independent os all o
other quantities
7 Sundamental quantities-lands
Umass
2 lengbr
3) bime
Coats Craibass eleno srolg x Codes (locate) elpro bilocx
4) current
Stemperature
Gamount of substance
7) Luminous intensity.
Dezived quantities
the quantities they represented by Sundamentalouper quanbibies are derived quantities.
• velocity is derived quantity only when length and time i's sundamental quantities.