A mercury drop of radius 1 cm is sprayed...

A mercury drop of radius 1 cm is sprayed into `10^(6)` drops of equal size. The energy expended in joule is (surface tension of mercury is `(460xx10^(-3)N//m)`

A

`0. 0 57`

B

`5. 7`

C

`5. 7 xx 10 ^(-4)`

D

`5. 7 xx 10 ^(-6)`

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The correct Answer is:

A

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