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Need explanation for: If body centred atom is removed from BCC structure then the packing efficiency is

If body centred atom is removed from BCC structure then the packing efficiency is

  • Option 1)

    0.68

  • Option 2)

    0.52

  • Option 3)

    0.34

  • Option 4)

    0.60

 
Answers (1)
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packing Efficiency after remaining body centred atom

 =\frac{1\times \frac{4}{3}\pi r^{3}}{\left ( \frac{4\pi }{\sqrt{3}} \right )^{3}}=0.34

 

Packing fraction for body centered cubic unit cell -

Pf = 0.68

-

 

 


Option 1)

0.68

This is incorrect

Option 2)

0.52

This is incorrect

Option 3)

0.34

This is correct

Option 4)

0.60

This is incorrect

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