2. Solved Papers
  3. Uttarakhand PMT

Uttarakhand PMT Uttarakhand PMT Solved Paper-2008

  • question_answer
    How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

    A)  8               

    B)  6

    C)  4               

    D)  9

    Correct Answer: D

    Solution :

     There are four body diagonals. Atoms on the body diagonals are not shared by any other unit cell. Contribution by atoms on comers \[=8\times \frac{1}{8}=1\]and Contribution by atoms on body diagonal \[=2\times 4=8\]


You need to login to perform this action.
You will be redirected in 3 sec spinner