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प्रश्न
The density of copper is 8.83 g cm-3. Express it in kg m-3.
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उत्तर
Density of copper in C.G.S. = 8.83 gcm-3
Density of copper in S.I. = `8.83/(1000 xx 100^-6)` = 8830 kgm-3
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