Q.

If the relative density of copper is 8.4 then what is the density of copper in the SI unit?

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a

8.4 kg/m3

b

84 kg/m3

c

8400 kg/m3

d

840 kg/m3

answer is C.

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Detailed Solution

Relative density of copper = 8.4

Relative density = Density of Copper  Density of water 

The density of Copper = Relative density of Copper × Density of water

The density of water in SI unit= 103 kg m–3

The density of Copper = 8.4 × 103 kg m–3 = 8400 kg/m3.

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