The correct statement(s) regarding defects in solids is/are: (A) Frenkel defect is usually favou...

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The correct statement(s) regarding defects in solids is/are:
(A) Frenkel defect is usually favoured by a very small difference in the sizes of cation and anion
(B) Frenkel defect is a dislocation defect or stoichiometric defect
(C) Trapping of an electron in the lattice leads to the formation of F-center
(D) Schottky defects have no effect on the physical properties of solids
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