Question

define-
density and relative density

Answer 1

Density is defined as mass per unit volume.

Relative density of a substance is the ratio of its density to that of water.

Answer 2

Answer:

DENSITY:

Density is a measure of mass per volume. The average density of an object equals its total mass divided by its total volume. An object made from a comparatively dense material (such as iron) will have less volume than an object of equal mass made from some less dense substance (such as water).

RELATIVE DENSITY : Relative density, or specific gravity, is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material. ... For example, an ice cube, with a relative density of about 0.91, will float. A substance with a relative density greater than 1 will sink.

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