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Two mercury drops each of radius r merge...

Two mercury drops each of radius r merge to form a bigger drop. Calculate the surface energy released.

A

`8pir^2T-4xx2^(2//3)pir^2T`

B

zero

C

negative

D

`8pir^2T-8xx2^(1//3)r^2T`

Text Solution

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The correct Answer is:
A
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