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5. A soap lamella (flat film) is generated in a tube of internal radius R as shown in the figure. Assume that the tube

5. A soap lamella (flat film) is generated in a tube of internal radius R as shown in the figure. Assume that the tube is covered inside by a film of thickness h and lamella has the same thickness h just after its generation. Will this lamella stay in equilibrium with the coating film or will it break? Use the Laplace law to answer the question. C lamella

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Final answer The lamella will not stay in equilibrium with the coating film unless it is a spherical ... blur-text-image

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