1.

Water rises in a capillary tube of diameter 0.2xx10^(-2)m, upto a height of 1.5 cm. The surface tesion of water is

Answer»

`73.5xx10^(-3)NM^(-1)`
`73.5xx10^(-3)"DYNE"cm^(-1)`
`35.7xx10^(-3)Nm^(-1)`
`43.5xx10^(-3)Nm^(-1)`

Answer :A


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