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Physics Fundamentals BLOG for K12

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density of water

relative density

How does Density differ from Relative Density?

  Difference between Density and Relative Density Density Density is the mass per unit volume. So if we divide the mass of a substance with its volume then we get the density of that substance. Here we get another definition of mass. Mass=volume X density. Unit of density in SI is Kg/meter3. So if we say density