Two soap bubbles of different radii are formed at the ends of a tube with a closed
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The excess pressure inside a bubble is inversely proportional to the radius of the bubblea small bubble therefore has a greater excess pressure than a large bubble When the valve is opened the higher pressure inside the smaller bubble pushes air from its interior into the larger bubbledecreasing the size of the smaller bubble and increasing the size of the larger one If the surface tension of the small bubble is too large the bubble ...View the full answer
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
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The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. The molecules at the surface of a glass of water do not have other water molecules on all sides of them and consequently, they cohere more strongly to those directly associated with them (in this case, next to and below them, but not above). is not really true that a \\\"skin\\\" forms on the water surface; the stronger cohesion between the water molecules as opposed to the attraction of the water molecules to the air makes it more difficult to move an object through the surface than to move it when it is completely submersed
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