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A mercury drop of radius 1.0 cm is spray...

A mercury drop of radius 1.0 cm is sprayed into ` 10 ^6 ` droplets of equal sizes. The energy expended in this process is (surface tension of mercury is equal to ` 32 xx 10 ^(-2) Nm^(-1) )x xx 10 ^(-2)` Joules. Find x.

A

`3.98xx10^(-4)J`

B

`8.46xx10^(-4)J`

C

`3.98xx10^(-2)J`

D

`8.46xx10^(-2)J`

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