Question

Define density of a substance. state the unit of density in S.I system​

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 MKS or SI units). For example, the density of air is 1.2 kilograms per cubic metre.

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Answer 2

Answer:. The mass of an object per unit volume is called density of a substance. The SI unit of density is kg/m³