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What are imperfections or defects in solids ? |
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Answer» Solution : At absolute zero temperature, the solids have perfectly ordered arrangement i.e., the state of lowest ENERGY. At higher temperatures, thisarrangement gets DEVIATED and causes the disorder in the arrangement. Thus, any deviations from perfectly order arrangement of constituent particles in a crystal structure is called IMPERFECTION or defects in a solid. The IMPERFECTIONS in a crystal structure are mainly of two types : (i) Atomic defects (II) Electronic defects |
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