Question

What is the advantage of SI unit over CGS units

Answer 1

Answer:

The advantages of S.I. are as under :

(i) S.I. has broader base. It has seven base units and two supplementary units.

(ii) S.I. is rational, i.e., it gives one unit for one physical quantity, e.g., for energy of any type, i.e., mechanical or heat or electrical. There is only one unit, Joule (J) but in M.K.S. system unit for mechanical energy is Joule.

(iii) S.I. is coherent.

(iv) S.I. is metric.

(v) S.I. is the modernised and improved form of M.K.S. system so it is readily accepted in almost all the countries of the world.

(vi) The symbols fixed by S.I. are not subject to change

Answer 2

Answer:

SI unit is same everywhere as in cgs unit there are different unit of measurement . SI unit is adopted internationally and the units are fixed and do not change at any place .

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