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Gravitation — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceGravitation2 Marks
Question
Define density. What is the $SI$ 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 $=\frac{\text{Mass of substance}}{\text{Volume of substance}}$
$SI$ unit of density is $kg/m^3$.

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