Question

Explain the density and relative density of an object.

GSEB - Class 9 Chapter - 3.Gravitation Page 43

Answer 1

Density of a substance can be defined as mass per unit volume of an object.




Relative density is the density of a substance upon density of water at 4°C.

Answer 2

Heya,

Density is the mass per unit volume of a substance.
Its SI unit is Kg/m^3

Relative density is the ratio of density of a substance to the density of pure water at 4 degree Celsius.
It has no unit.

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