Question

Which are the fundamental and supplementary units of SI system? Give their units with symbols.

Answer 1

FUNDAMENTAL UNITS AND THEIR DIMENSIONAL FORMULA :-  1) LENGTH --- [L]    (metre - m) 2) MASS ---[M]  (kilogram -kg) 3) TIME ----[T]  (second - s) 4) CURRENT----[A]. (Ampere -I /A) 5) AMOUNT OF SUBSTANCE---[Mol]            (Mole) 6) LIGHT INTENSITY-----[Cd] (candela) 7) TEMPERATURE----[K]  ( Kelvin - K )   Supplementary Units :- they have no dimensions  Solid angle --- steredian Plane angle --- radian