A soap bubble A of radius 0.03 m and another bubble B of radius 0.04 m are brought together, so that the combined bubble has a common interface of radius r, then the value of r is

Two soap bubbles one of radius 50 mm and the other of radius 80 mm are brought together so that they have a common interface. (b) The radius of curvature of this interface attains which shape from smaller bubble towards larger bubble.

Two soap bubbles, one of radius 50 mm and the other of radius 80 mm , are brought in contact so that they have a common interface. The radius of the curvature of the common interface is

Two soap bubbles, one of radius 50 mm and the other of radius 80 mm , are brought in contact so that they have a common interface. The radius of the curvature of the common interface is

Two soap bubbles, one of radius 50 mm and the other of radius 80 mm , are brought in contact so that they have a common interface. The radius of the curvature of the common interface is

A soap bubble of radius r is placed on another bubble of radius 2r . The radius of the surface common to both the bubbles is

A soap bubble of radius r is placed on another bubble of radius 2r . The radius of the surface common to both the bubbles is

A soap bubble of radius R is surrounded by another soap bubble of radius 2R, as shown. Take surface tension = S.