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AIEEE 2006 Solved Paper
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© examsnet.com
Question : 22
Total: 143
Total volume of atoms present in a face-centre cubic unit cell of a metal is (
r
is atomic radius)
20
/
3
π
r
3
24
/
3
π
r
3
16
/
3
π
r
3
12
/
3
π
r
3
Validate
Solution:
The face centered cubic unit cell contains 4 atom
∴
Total volume of atoms
=
4
×
4
3
π
r
3
=
16
3
π
r
3
© examsnet.com
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