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The radius of soap bubble is R and surfa...

The radius of soap bubble is R and surface tension of soap solution is T, keeping the temperature constant, the extra energy needed to double the radius of the soap bubble by blowing will be

A

24`pir^(2)`S

B

8`pir^(2)`S

C

16`pir^(2)`S

D

12`pir^(2)`S

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