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[" In a capillary tube of radius "^(4)R"...

[" In a capillary tube of radius "^(4)R" ',a straight thin metal wire of radius "'r'(R>r)" is inserted "],[" symmetrically and one end of the combination is dipped vertically in water such that the "],[" lower end of the combination is at same level.The rise of water in the capillary tube is "],[[T=" surface tension of water,"rho=" density of water,"g=" gravitational acceleration] "]

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