Question: basic s i units of any five physical quantities
Answer: Base quantity Symbol Description SI base unit Dimension Comments Length l The one - dimensional extent of an object metre ( m ) Mass m A measure of resistance to acceleration kilogram ( kg ) extensive , scalar Time The duration of an event second ( s ) scalar Electric current Rate of flow of electrical charge per unit time ampere ( A ) Temperature Average kinetic energy per degree of freedom of a system kelvin ( K ) Θ intensive , scalar Amount of substance mol Number of particles compared to the number of atoms in 0.