Fluid Mechanics Viscosity Question 387
Question: 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. [KCET 2004]
Options:
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
Show Answer
Answer:
Correct Answer: A
Solution:
Because film tries to cover minimum surface area.
BETA
