The potential energy of a soap bubble of total area A is V = A, where

The potential energy of a soap bubble of total area A is V = σA, where σ is the surface tension constant of the soap.We consider a soap bubble between two circles of the same axis and same radius R, as in Fig. 2.9. The z axis is the common axis perpendicular to the two circles, which are centered at z = −h and z = h, respectively. Find the surface of minimum area attached to the two circles, which are separated by a distance d = 2h.

Transcribed Image Text:

Fig. 2.9 Soap bubble between two symmetric circles N