Question
A spherical ball made of steel when dropped in mercury
container will –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.
Select the option in which the numbers are related in the same way as the numbers in the following set:
(13, 20, 14)
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Which answer figure will complete the pattern in the question figure?
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