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A metallic sphere of radius 4 mm sinks i...

A metallic sphere of radius 4 mm sinks in water. If it is coated with wax of a uniform thickness of 3 mm, it can just float in water. If the density of wax is `0.8g*cm^(-3)`, then what will be the density of the metal?

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The correct Answer is:
`1.87g*cm^(-3)`
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CHHAYA PUBLICATION-HYDROSTATICS-PROBLEM SET - II
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