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[" When a block of iron floats in "],[" mercury at "0^(0)C," a fraction "k_(1)" of its "],[" volume is submerged,while at the "],[" temperature "60^(0)C" ,a fraction "k_(2)" is seen "],[" to be submerged.If the coefficient of "],[" volume expansion of iron is "g_(Fe)" and "],[" that of mercury is "g_(Hg)" then the ratio "],[k_(1)/k_(2)" can be expressed as "]

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When a block of iron in mercury at 0^@C, fraction K_1 of its volume is submerged, while at the temperature 60^@C, a fraction K_2 is seen to be submerged. If the coefficient of volume expansion of iron is gamma_(Fe) and that of mercury is gamma_(Hg), then the ratio (K_1)//(K_2) can be expressed as

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