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A boy blows a soap bubble of radius r me...

A boy blows a soap bubble of radius r meter. If S.T. of soap solution in water is T joule/`m^2`, the total energy equal to

A

`4pir^2T` joule is spent by the boy

B

`4pir^2T` joule is received by the boy

C

`8pir^2T` joule is received by the boy

D

`8pir^2T` joule is spent by the boy

Text Solution

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The correct Answer is:
D
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