A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm. Find the radius of curvature of the common surface.

Two soap bubbles of radius r_(1) and r_(2) combine. Find radius of curvature of the common surface separating them.

Two soap bubbles each of radius r are touching each other. The radius of curvature of the common surface will be:

When two soap bubbles of radii a and b ( b gt a ) coalesce, the radius of curvature of common surface 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 spherical soap bubble of radius 1 cm is formed inside another of radius 4 cm. The radius of single soap bubble which maintains the same pressure difference as inside the smaller and outside the larger soap bubble is_____cm.

Two soap bubbles of radii 2 cm and 4 cm join to form a double bubble in air, then radius of. curvature of interface is

The work done in blowing a soap bubble of radius 5 cm is

A spherical soap bubble of radius 1 cm is formed inside another of radius 3 cm the radius of single soap bubble which maintains the same pressure difference as inside the smaller and outside the larger soap bubble is ____cm

Two soap bubbles of radii 2 cm and 3 cm are brought in contact. Find the radius of curvature (in cm) of the contact surface.