1.

Water is filled into a container with hexagonal cross section of side 6 cm. If the surface tension of water is 0.075"Nm"^(-1) then the surface energy of water will be

Answer»

`8.5 XX 10^(-4)` J
`2.8 xx 10^(-4)` J
`6.4 xx 10^(-4)` J
`7 xx 10^(-4)` J

Answer :D


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