The density of a fluid, is denoted by the Greek symbol ρ. It is defined as the mass of the fluid over an infinitesimal volume. Density of a liquid change in accordance with the temperature and pressure. Fluid density is measured by knowing the mass and volume. Measuring the volume of the liquid is not obvious, as it takes the shape of the holding container. Thus its measured using the units like fluid ounces, pints, and liter which is marked on the sides of the measuring jug. The density of a liquid equals the mass of the liquid divided by its volume.
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