A rectangle wire frame of size 2cm xx 2c...

A rectangle wire frame of size `2cm xx 2cm` is dipped in a soap solution and taken out. A soap film is changed to `3cm xx 3cm`. Calculate the work done in the process. The surface tension of soap film is `3 xx 10^-2 N//m`.

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A rectengular wire frame of size 2 cm xx 2 cm, is dipped in a soap solution and taken out. A soap film is formed, if the size of the film is changed to 3 cm xx 3 cm, calculate the work done in the process. The surface tension of soap film is 3 xx 10^(-2) N/m .

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