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NEET Sample Paper NEET Sample Test Paper-13

  • question_answer
    Percentage of free space in a body-centred cubic unit cell is

    A)  32%                            

    B)  34%

    C)  28%                            

    D)  30%

    Correct Answer: A

    Solution :

     Packing fraction of bcc is 68%. So, empty space is 32%


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