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  • Tell me? The radius of the largest sphere which fits properly at the centre of the edge of a body centred cubic unit cell is : (Edge length is represented by 'a' )

The radius of the largest sphere which fits properly at the centre of the edge of a body centred cubic unit cell is : (Edge length is represented by 'a' )

  • Option 1)

    0.134 a

  • Option 2)

    0.047 a

  • Option 3)

    0.027 a

  • Option 4)

    0.067 a

Answers (1)

best_answer

 

Relation between radius of constituent particle, R and edge length, a for body centered cubic unit cell -

-

\frac{a}{2}=R+r,\sqrt{3}a=4R

0.5 a =0.433 \: atr

r=0.067\: a

 


Option 1)

0.134 a

Option 2)

0.047 a

Option 3)

0.027 a

Option 4)

0.067 a
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