Question

The surface tension of a soap solution is $0.05N{m}^{-1}$. How much work is done to produce a soap bubble of radius $0.03m$?

• A. $1.8\times {10}^{-2}J$
• B. $2.1\times {10}^{-3}J$
• C. $1.5\times {10}^{-2}J$
• D. $1.1\times {10}^{-3}J$

Answer 1

The correct option is D $1.1\times {10}^{-3}J$