Question

Define si unit. Plz answer this question

Answer 1

si unit are what they give us the exact unit for all the terms in physics all the supplimentry units are compared with Si units

Answer 2

The International Committee for Weight and Measures adopted a system of units for all fundamental physical quantities and is called International System of Units or SI unit.

For eg: SI unit of mass is kilogram(kg)

SI unit of lenth is metre(m)