A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out . The frame is comletely covered with the film. When the portion `A` puntured with a pin The thread.

Options

A. become comcave towards `A`
B. become convex towards `A`
C. either (a) or (b) depending on the size of` A` with respect to `B`
D. remains in the initial position

Answer

A

Explanation

B will have a tendency to keep its area as low as possible
.