1) Derive an expression connecting the curvature of a film with the surface tension and the difference of pressure on the two sides. 2) A bubble is blown two equal rings, which are then drawn apart to form a cylindrical bubble with bugling ends, What is the ratio of the radius of curvature of the bulging ends to that of the cylinder?
1) Derive an expression connecting the curvature of a film with the surface tension and the difference of pressure on the two sides. 2) A bubble is blown two equal rings, which are then drawn apart to form a cylindrical bubble with bugling ends, What is the ratio of the radius of curvature of the bulging ends to that of the cylinder?
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1) Derive an expression connecting the curvature of a film with the surface tension and the difference of pressure on the two sides.
2) A bubble is blown two equal rings, which are then drawn apart to form a cylindrical bubble with bugling ends, What is the ratio of the radius of curvature of the bulging ends to that of the cylinder?
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