Two unequal soap bubbles are formed one on each side of a tube closed in the middle by a tap. What happens when the tap is opened to put the two bubbles in communication?

Options

A. no air passes in any direction as the pressures are the same on two sides of the tap
B. larger bubbles shrinks and smaller bubble increases in size till they become equal in size
C. smaller bubbles gradually collapses and the bigger one increases in size
D. none of these

Answer

C

Explanation

Due to excesss pressure air flows from smaller to larger bubble and the smaller one collapses and the bigger one increases in size.