Question

define area volume and dencity

Answer 1

• The area density (also known as areal density, surface density, superficial density, areic density, mass thickness, column density, or density thickness) of a two-dimensional object is calculated as the mass per unit area.

• The SI derived unit is: kilogram per square metre (kg·m−2).

Answer 2

The area refers to the region covered by the object.

Volume refers to the quantity or capacity of the object.

Density is the amount of mass per unit of volume.

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