_______ occurs when a foreign substance replaces an atom in a crystal. Options: A . &nbspVacancy defect B . &nbspSubstitutional impurity C . &nbspFrankel defect D . &nbspInterstitial impurity

_______ occurs when a foreign substance replaces an atom in a crystal.

Question

_______ occurs when a foreign substance replaces an atom in a crystal.

Options:

A . Vacancy defect

B . Substitutional impurity

C . Frankel defect

D . Interstitial impurity

Answer: Option B
Answer: (b).Substitutional impurity

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