A soap bubble of radius `r_(1)` is placed on another soap bubble of radius `r_(2)(r_(1) lt r_(2))`. The radius `R` of the soapy film separating the two 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 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.

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

A soap bubble of radius r is formed inside another soap bubble of radius R (gt r) . The atmospheric pressure is P_(0) and surface tension of the soap solution is T. Calculate change in radius of the smaller bubble if the outer bubble bursts. Assume that the excess pressure inside a bubble is small compared to P_(0) .

When two soap bubbles of radius r_(1) and r_(2)(r_(2) gt r_(1)) coalesce, the radius of curvature of common surface is

A soap bubble of raidus R is surrounded by another soap bubble of radius 2R , as shown. Take surface tension =S . Then the pressure inside the smaller soap bubble, in excess of the atmosphere presure will be

A soap bubble of raidus R is surrounded by another soap bubble of radius 2R , as shown. Take surface tension =S . Then the pressure inside the smaller soap bubble, in excess of the atmosphere presure will be