Question

What is mean by density ?​

Answer 1

Answer:

Density is defined as how tightly or loosely packed a substance is, or to the number of things or people in a certain area. An example of density is population density, which refers to the number of people in a certain geographic area. noun.

Explanation:

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Answer 2

Answer:

Density, mass of a unit volume of a material substance. ... Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).

EG : if you take two cubes of the same size made out of different materials and weigh them, they usually won't weigh the same