Two cylinders of same cross section area and length L but made of two material of densities d1 and d2 are connected together to form a cylinder of length 2L. The combination floats in a liquid of density d with a length L/2 above the surface of the liquid. If d1>d2 then

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d1>34d

d2>d1

d4>d1

answer is A.

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Detailed Solution

U=mg⇒dA3L2g=d1ALg+d2ALg

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