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Distinguish Between Density and Relative Density. - ICSE Class 8 - Physics

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Question

Distinguish between density and relative density.

Solution

Density Relative Density

1 .it is ratio  of mass to volume .

D=`(Mass )/(Volume)`=`m/v`

It is  the ratio of density of substance to density of water. 
2. units are g `cm^-3` or kg `m^-3` It is a pure quantity. It has no units.
3.Density in kg ` m^-3`=R.D × 1000

R.D = Density in g `cm^-3`

R.D=`("Density in kg" cm^-3)/1000`

 

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Solution Distinguish Between Density and Relative Density. Concept: Concept of Flotation and Sinking of a Substance (Relate to Density).
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