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  • Solve this problem In BCC structure, if atoms along a body diagonal are missing then how many atoms are remaining in one unit cell

In BCC structure, if atoms along a body diagonal are missing then how many atoms are remaining in one unit cell

  • Option 1)

    1

  • Option 2)

    1.5

  • Option 3)

    1.25

  • Option 4)

    0.75

 

Answers (2)

best_answer

Number of atoms in BCC unit cell = 2

Number of atoms are missing = 2\times \frac{1}{8}+1=1.25

atoms remaining in unit cell = 2-1.25=0.75

 

z for body centered unit cell -

Lattice points: at corners and body center of unit cell.

For body centered cubic (BCC), z=2

- wherein

 

 


Option 1)

1

This is incorrect

Option 2)

1.5

This is incorrect

Option 3)

1.25

This is incorrect

Option 4)

0.75

This is correct

Posted by

prateek

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BCC unit cell =2

Number of atoms that r missing=2*1/8+1=1.25

atoms remaining in unit cell=2-1.25=0.75

ans =0.75

Posted by

RAJ KIRAN

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