Question
The amount of energy required to form a soap bubble of radius $2 \mathrm{~cm}$ from a soap solution is nearly: (surface tension of soap solution $=0.03 \mathrm{~N} \mathrm{~m}^{-1}$ )
The amount of energy required to form a soap bubble of radius $2 \mathrm{~cm}$ from a soap solution is nearly: (surface tension of soap solution $=0.03 \mathrm{~N} \mathrm{~m}^{-1}$ )