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Two mercury drops (each of radius r) mer...

Two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop, if `T` is the surface tension is

A

`2^(5//3)pir^(2)T`

B

`4pir^(2)T`

C

`2pir^(2)T`

D

`2^(8//3)pir^(2)T`

Text Solution

Verified by Experts

The correct Answer is:
D
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