Surface tension of a soap solution is $1.9 \times 10^{-2} \text{ N/m}$. The work done in blowing a soap bubble of $2.0 \text{ cm}$ diameter will be:
- A$7.6 \times 10^{-6} \pi \text{ J}$
- B$15.2 \times 10^{-6} \pi \text{ J}$
- C$1.9 \times 10^{-6} \pi \text{ J}$
- D$1 \times 10^{-4} \text{ J}$
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