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NEET Sample Paper NEET Sample Test Paper-92

  • question_answer
    A metallic crystal crystallizes into a lattice containing a sequence of layers AB AB AB......Any packing of spheres leaves out voids in the lattice. What percentage of volume of this lattice is empty space?

    A) 74%                 

    B)        26%

    C) 50%                 

    D)        none of these.

    Correct Answer: B

    Solution :

    [b] In AB AB packing spheres occupy 74%. 26% is empty.


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