Mechanical Properties of Fluids

Question: If $T$ is the surface tension of soap solution, the amount of work done in blowing a soap bubble from a diameter $D$ to $2D$ is

1) 2$\pi {{D}^{2}}T$

2) 4$\pi {{D}^{2}}T$

3) 6$\pi {{D}^{2}}T$

4) 8$\pi {{D}^{2}}T$

Solution:

Explanation: No Explanation

Surface tension surface energy

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