Density And Relative Density
Relative Density
Relative Density:
The relative density of a substance is the ratio of its density to that of water.
Relative density of a substance
In other words, we can say that,
Relative density of a substace
Since, the relative density is a ratio of similar quantities, so it has no unit.
The relative density of a substance expresses the heaviness (or density) of the substance in comparison to water. By saying that relative density of iron is 8.7, we mean that iron is 8.7 times heavy as an equal volume of water.
Density of water is
The relative density of a substance is found accurately by using Archimedes principle.
Illustration: A solid of mass 600 g has volume . Then,
The volume of a solid of mass 500 gms is 350 cm3. What will be the relative density of the solid? | |||
| Right Option : B | |||
| View Explanation | |||
A ship rises up as it enters the sea from a river because | |||
| Right Option : D | |||
| View Explanation | |||
If a sample of metal weight 210 g in air, 180 g in water, 120 g in a liquid: | |||
| Right Option : A | |||
| View Explanation | |||
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