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By means of a hydrostatic balance, it is...

By means of a hydrostatic balance, it is found that an iron cylinder and a glass cylinder of equal radii, when completely immersed in water, balance each other. If the specific gravities of iron and glass are 7.2 and 2.55 respectively, then determine the ratio of the lengths of the two cylinders.

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The correct Answer is:
`1 : 4`
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CHHAYA PUBLICATION-HYDROSTATICS-PROBLEM SET - II
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