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How many atoms are there in. a body centred cubic (b.c.c.) unit cell? (a) 9 (b) 2 (c) 4 (d) 1



How many atoms are there in. a body centred cubic (b.c.c.) unit cell?


        (a)    9     


(b)    2


        (c)    4


        (d)    1


Grade:10

2 Answers

Amit Saxena
35 Points
9 years ago

(b)

Atom at corner are shared by 8 cubes. Atom belonging to one cube = - 8 = 1

Atom at centre belongs to only one cube. Hence, total number of atoms belonging to one cube = 2.

king
39 Points
9 years ago

b.2

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