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Each side of an iron cube is 5 cm. This cube floats on mercury. What height of the cube remains above the surface of mercury? To cover the cube, if water is poured over mercury, then what will be the height of the water column? The density of iron is `7.2g*cm^(-3)` and the density of mercury is `13.6g*cm^(-3)`.

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The correct Answer is:
2.35 cm, 2.54 cm
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