Mechanical Properties of Fluids

Question: The surface tension of a soap solution is$2\times {{10}^{-2}}N/m.$ To blow a bubble of radius 1 cm, the work done is

1) $4\pi \times {{10}^{-6}}J$

2) $8\pi \times {{10}^{-6}}J$

3) $12\pi \times {{10}^{-6}}J$

4) $16\pi \times {{10}^{-6}}J$

Solution:

Explanation: No Explanation

Surface tension surface energy

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