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KEAM 2019 Physics and Chemistry Paper

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Question : 63

Total: 120

In a water container, an aluminium piece of volume 0.5 m3 is lowered through an external force, until it is completely submerged. In another identical water container, a lead piece of same volume was similarly submerged using the same amount of externalforce. The mass density of lead is 4 times larger than the mass density of the aluminum. If FA and FL are the buoyancy forces acting on aluminum and lead respectively, then which of the following statements is correct?

FA > 4 FL
FL > 4 FA
FA > 2 FL
FL > 2 FA
FL = FA

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