Question

List differences between the density and relative density

Answer 1

Density 
i. Mass per unit volume of a substance is called density.
ii. Density = mass/volume
iii. SI unit of density is Kg/m3
CGS unit of density is g/cm3

Relative Density

i.The ratio between density of a substance and density of water is called relative density.
ii. Relative density = Density of the substance/density of water at 40C
iii. Units: Relative density has no units because it is the ratio between the similar physical quantities (density).


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Answer 2

Density:--

i. Mass per unit volume of a substance is called density.
ii. Density = mass/volume
iii. SI unit of density is Kg/m3
CGS unit of density is g/cm3


Specific Gravity) Relative density:-

i. The ratio between density of a substance and density of water is called relative density.
ii. Relative density = Density of the substance/density of water at 40C
iii. Units: Relative density has no units because it is the ratio between the similar physical quantities (density).