The surface tension of soap is T . The ...

The surface tension of soap is T . The work done in blowing a soap bubble of radius 3 R to that of a radius 5R is

A

`64piR^2T`

B

`100piR^2T`

C

`128 piR^2T`

D

`256piR^2T`

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The correct Answer is:

C

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