44. 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 completely covered with the film. When the portion A punctured with a pin, the thread.
(a) Becomes concave toward A
(b) Becomes convex towards A
(c) Remains in the initial position
(d) Either (a) or (b) depending on the size of A w.r.t. B
Ans. a
(15)