The radii of two soap bubbles are `R_(1)` and `R_(2)` respectively. The ratio of masses of air in them will be

The radii of two soap bubbles are r_(i) and r_(2) . In isothermal conditions, two meet together in vacuum. Then the radius kof the resultant bubble is given by

The radii of two soap bubbles are r_(i) and r_(2) . In isothermal conditions, two meet together in vacuum. Then the radius kof the resultant bubble is given by

The radii of two soap bubbles are r_(1) and r_(2) (r_(2) lt r_(1)) . They meet to produce a double bubble. The radius of their common interface is

Two planets have radii r_(1) and r_(2) and densities d_(1) and d_(2) respectively. Then the ratio of acceleration due to gravity on them is

The radii of two air bubbles are in the ratio 4 : 5. Find the ratio of excess pressure inside them. Also compare the works done in blowing these bubbles.

The radii of two air bubbles are in the ratio 4 : 5. Find the ratio of excess pressure inside them. Also compare the works done in blowing these bubbles.

Two soap bubble of radii R_(1) and R_(2) are kept in vacuum at constant temperature, the ratio of masses of air inside them, is