1.

A mercury drop of radius 1 cm is sprayed into 10^(6) drops of equal size. The energy expended in joules is (surface tension of mercury is 460 xx 10^(-3)Nm^(-1))

Answer»

`0.057`
`5.7`
`5.7 XX 10^(-4)`
`5.7 xx 10^(-6)`

ANSWER :A


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