Question

Write the advantage of si unit

Answer 1

The greatest advantage of SI is that it has only one unit for each quantity (type of measurement). This means that it is never necessary to convert from one unit to another (within the system) and there are no conversion factors for students to memorize. For example, the one and only SI unit of length is the meter (m).

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Answer 2

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 modernized 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

whatever may be the language, e.g., unit of mass kilogram having symbol ‘kg’ has to be written like this only.