Question

Dimension of relative density is –
A.\[kg{{m}^{-3}}\]
B.\[M{{L}^{-3}}\]
C.Dimensionless
D.\[{{M}^{2}}{{L}^{-6}}\]

Answer 1

Hint: Relative density is the proportion of the density of (mass of a unit volume) a substance to the density of given reference material. Explicit gravity ordinarily implies relative density for water.

Complete answer:
The relative density of a substance is characterized as the proportion density of a substance to density of water. It has no unit since units of density. In this way, it is a dimensionless amount.
The expression "relative density" is regularly favored in logical utilization. It is characterized as a proportion of density of a specific substance with that of water.
By chance that a substance's relative density is less than one, at that point it is less thick than the reference; by chance that it tends to be more than one, at that point it is denser than the reference. In the event that the relative density is actually 1, at that point the densities are equivalent; that is, equivalent volumes of the two substances have a similar mass.
 By chance that the reference material is water, at that point, a substance with a relative density (or explicit gravity) under one will glide in the water. For example, an ice block, with an overall density of about 0.91, will glide. A substance with a relative density more prominent than one will sink.

The correct answer is C.

Note:
In British blending practice, the particular gravity, as indicated above, is duplicated by 1000. Specific gravity is generally utilized in the industry as a basic method for acquiring data about the convergence of arrangements of different materials, for example, salt waters, sugar arrangements (syrups, juices, nectars, brewery).