The ratio of radii of two bubbles is `2 : 1`. What is the ratio of excess pressures inside them ?

Two soap bubbles of radii in the ratio of 2 : 1. What is the ratio of excess pressure inside them?

What is the cause of excess pressure inside a soap bubble?

Excess pressure inside a bubble 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.

The excess pressure inside a bubble is

The bubbles have radii in the ratio 3 : 4. the ratio of excess pressure inside them is