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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2011

  • question_answer
        If Z is the number of atoms in the unit cell that represents the closest packing sequence\[-ABC,\]\[ABC-,\] the number of tetrahedral voids in the unit cell is equal to

    A)  Z                                            

    B)  \[2Z\]

    C)  \[\frac{Z}{2}\]                                  

    D)  \[\frac{Z}{4}\]

    Correct Answer: B

    Solution :

                    In a closed packed structure, number of tetrahedral voids is double the number of atoms forming the lattice.


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