Question

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’)

Answer 1

Answered 2 months, 1 week ago

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