Question

Explain relative density and it's measurement by Archimedes principle.
No copy paste
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Answer 1

$\huge\sf{Answer:-}$

Relative density (R.D.) of a substance is in the ratio of the density of the substance to the density of water at 4°C.

It can be also defined as the ratio of the mass of the substance to the mass of an equal volume of water at 4°C. R.D. has no unit.

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Answer 2

Answer:

The mass density (ρ) of a substance is the mass of one unit volume of the substance. ... The relative density is the ratio of the mass of the substance in air at 20 °C to that of an equal volume of water at the same temperature.