what do you mean by density of a substance. Define its units also
Answers
Answer:
The density of material shows the denseness of that material in a specific given area. A material’s density is defined as its mass per unit volume. Density is essentially a measurement of how tightly matter is packed together. It is a unique physical property for a particular object. The principle of density was discovered by the Greek scientist Archimedes. It is easy to calculate density if you know the formula and understand its related units.
How is Density Calculated?
Mathematically, the density of an object is expressed as follows:
Density=MassVolume ρ=mv
Where,
ρ is the density
m is the mass
V is the volume
Unit of Density
Though SI unit of density is kg/m³, for convenience we use g/cm³ for solids, g/ml for liquids and g/L for gases.
Density can be explained as the relationship between the mass of the substance and volume it takes up.
In a qualitative term, it shows how much heavy an object is at constant volume.
Different substances have different density, which means for the same volume of different substances weigh differently.
SI Unit of Density
Each substance has a specific density. Generally, the density of water (which is approximately about 1 gram/cubic centimetre) is taken as the standard value for calculating the density of substances. However, the SI unit of Density is measured using kilogram per cubic metre (kg/m3).
Explanation:
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Answer:
The degree of compactness of a substance and Unit is Kilogram Per Cubic Metre.Hope it helps.