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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2005

  • question_answer
    Which one of the following defects in the crystals lowers its density?

    A)  Frenkel defect

    B)  Schottky defect

    C)  F-centres

    D)  Interstitial defect

    Correct Answer: B

    Solution :

    Schottky defects-This defect is due to vacancy at a cation site accompanied by vacancy at an anion site so that the electrical neutrality of the system is maintained. Due to this defect, density decreases.


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