Question

Define density and give its SI unit.​

Answer 1

Answer:

Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. ... Density can also be expressed as kilograms per cubic metre (in metre-kilogram-second or SI units). For example, the density of air is 1.2 kilograms per cubic metre.

Answer 2

Density:- The density, of a substance is its mass per unit volume. The symbol most often used for density is ρ, although the Latin letter D can also be used

SI Unit:- Kg/M³.