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NEET Sample Paper NEET Sample Test Paper-75

  • question_answer
    In AgBr crystal, the ion size lies in the order\[A{{g}^{+}}<<B{{r}^{-}}\]. The AgBr crystal should have the following characteristics.

    A)  Perfect crystal                                   

    B)  Schottky defect

    C)  Frenkel defect                                    

    D)  Both Schottky and Fernkel defect

    Correct Answer: C

    Solution :

    The AgBr crystal should have Frenkel defect. The Frenkel defect consists in the displacement of an atom from its lattice position to an interstitial site, creating a vacancy at the original site and an interstitial defect at the new location.


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