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Chemistry
First three nearest neighbour distances for simple cubic lattice are respectively (edge length of unit cell = a):
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Q. First three nearest neighbour distances for simple cubic lattice are respectively (edge length of unit cell $=$ a):
The Solid State
A
$a, \sqrt{2} a, \sqrt{3} a$
62%
B
$\sqrt{3} a, \sqrt{2} a, a$
25%
C
$a, \sqrt{2} a, 2 a$
10%
D
$a, \sqrt{3} a, 2 a$
3%
Solution:
$AB = a \left(1^{ st }\right.$ nearest $)$
$AC =\sqrt{2} a \left(2^{ nd }\right.$ nearest $)$
$AH =\sqrt{3} a \left(3^{ rd }\right.$ nearest $)$