The Solid State Ques 15
15. Percentage of free space in a body centred cubic unit cell is :
[2008]
(a) 30 %
(b) 32 %
(c) 34 %
(d) 28 %
Show Answer
Answer:
Correct Answer: 15.(b)
Solution:
(b) Percentage of occupied space in a $b c c$ is 68 %.
$\therefore \quad$ Percentage of free space in a $b c c$ is
(100-68)=32 %