A cube of mass 50g has edge 4 cm .
calculate it's density in cgs and si unit
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Answers
The density of a material, typically denoted using the Greek symbol ρ, is defined as its mass per unit volume. .
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Common Density Units.
Unit kg/m3
kilogram/cubic meter SI Unit
kilogram/cubic centimeter 1,000,000
gram/cubic meter [g/m3] 0.001
gram/cubic centimeter 1000
Volume = 5 * 5* 5 = 125 cu. cm
The S.I. unit of mass is kilogram and of volume is cubic metre. Therefore the S.I unit of density is kg/m^3m
3
The C.G.S. the unit of mass is gram and of volume is cubic centimetre. Therefore the C.G.S. unit of g/cm^3m
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Relationship between kg/m^3m
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and g/cm^3m
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1 kg = 1000 g or 1\ g\ =\ \frac{1}{1000}kg1 g =
1000
1
kg
And, 1\ m^3=\left(100cm\right)^31 m
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=(100cm)
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= 100\ cm\ \times100\ cm\ \times100\ cm\ =\ 10,00,000\ cm^3100 cm ×100 cm ×100 cm = 10,00,000 cm
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