Notes

SI Unit – A variety of system of units (CGS, FPS and MKS) leads to the need of a unique system of units which is accepted world-wide …

SI Unit – A variety of system of units (CGS, FPS and MKS) leads to the need of a unique system of units which is accepted world-wide. So, in 1971 a system of units named SI (System International in French) was developed and recommended by general conference on weights and measures for international usage in scientific, technical, industrial and commercial work.