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If a body weighs m1 gm-wt in air of dens...

If a body weighs `m_1` gm-wt in air of density d and `m_2` g-wt in a liquid of density `D` show that the density of the material of the body =`((m_1D)/(m_1-m_2)-(m_2d)/(m_1-m_2))gm//cm^2`.

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