Question

5 What is the abbreviation of 5. I. unit? Why
S.I. Unit is necessary for various
quantities? What is she SI unit of length
and what is their symbol?​

Answer 1

SI unit is an international system of measurements that are used universally in technical and scientific research to avoid the confusion with the units. Having a standard unit system is important because it helps the entire world to understand the measurements in one set of unit system.

• meter - length
• kilogram -mass
• ampere - electric current
• kelvin - thermodynamic temperature

S.I unit of length is meter and Symbol - kg

Answer 2

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The International System of Units, universally abbreviated SI (from the French Le Système International d'Unités), is the modern metric system of measurement.