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प्रश्न
A piece of wood of mass 150 g has a volume of 200 Cm3. Find the density of wood in C.GS. unit and S.I. unit.
उत्तर
Mass of wood (M) = 150 g
Volume of wood (V) = 200 Cm3
Density (D) =?
D = `"M"/"V" = 150/200 = 0.75 g/"cm"^3`
In S.I. system = 0.75 × 1000
= 750 kg/ m3
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