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Question
The percentage of empty space in a body centred cubic arrangement is ______.
Options
74
68
32
26
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Solution
The percentage of empty space in a body centred cubic arrangement is 32.
Explanation:
Packing efficiency for bcc arrangement is 68% which represents total filled space in the unit cell. Hence, empty space in a body centered arrangement is 100 – 68 = 32%.
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