Question

what mean the S.I unit?? please answer .​

Answer 1

S.I. is αท αввrєviατiσท σƒ sysτємє iทτєrทατiσทαℓє σr iทτєrทατiσทαℓ sysτєм: συr мєτric sysτєм σƒ мєαsυrємєทτs. iτ is αท iทτєrทατiσทαℓℓy sταท∂αr∂isє∂ sysτєм, giviทg α cσммσท ℓαทgυαgє вєτωєєท ทατiσทs αท∂ вєτωєєท τнє ∂iƒƒєrєทτ вrαทcнєs σƒ sciєทcє αท∂ τєcнทσℓσgy.

Answer 2

Answer:

S.I. unit means the International System of units. It is the only system of measurement with an official status in nearly every country in the world.

7 basic SI units are :

Length - meter (m)

Time - second (s)

Amount of substance - mole (mole)

Temperature - kelvin (K)

Luminous intensity - candela (cd)

Mass - kilogram (kg)