Question

    A spherical ball made of steel when dropped in mercury container will –

    A sink in mercury Correct Answer Incorrect Answer
    B will be on the surface of mercury Correct Answer Incorrect Answer
    C will be partly immersed mercury Correct Answer Incorrect Answer
    D will dissolve in mercury Correct Answer Incorrect Answer

    Solution

    The density of steel usually ranges between 7.75 and 8.05 g/cm3 and the densityof mercuryis 13.534 g/cm3. Mercuryis denserthansteelthiswillmeanthatthebuoyant force is large enough to float the steel ball. Different materials usually have different densities, so density is an important concept regarding buoyancy, purity and packaging.

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