A soap film in formed on a frame of area...

A soap film in formed on a frame of area `4xx10^(-3)m^(2)`. If the area of the film in reduced to half, then the change in the potential energy of the film is (surface tension of soap solution`=40xx10^(-3)N//m)`

`32xx10^(-5)` J

`16xx10^(-5)` J

`8xx10^(-5)` J

`16xx10^(-5)` J

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