Mechanical Properties of Fluids

Question: The work done in blowing a soap bubble of radius 0.2 m is (the surface tension of soap solution being 0.06 N/m)

1) $192\pi \times {{10}^{-4}}J$

2) $280\pi \times {{10}^{-4}}J$

3) $200\pi \times {{10}^{-3}}J$

4) None of these

Solution:

Explanation: No Explanation

Surface tension surface energy

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