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Gravitation — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceGravitation2 Marks
Question
Define density. What is the $\text{SI}$ unit of density?
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Answer

Density: The density of a substance is defined as mass of the substance per unit volume.Density of substance $=\frac{\text{Mass of substance}}{\text{Volume of substance}}$
$\text{SI}$ unit of density is $kg/m^3$.

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