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प्रश्न
The percentage of unoccupied volume in simple cubic cell is ______.
विकल्प
52.40%
32.00%
47.60%
68.04%
MCQ
रिक्त स्थान भरें
उत्तर
The percentage of unoccupied volume in simple cubic cell is 47.60%.
Explanation:
Percentage of unoccupied volume = 100 - Packing effeciency
Packing effeciency = `"volume of one atom"/"volume of cubic unit cell" xx 100 %`
For simple cubic cell,
Packing effeciency = `(4/3 pi "r"^3)/(8"r"^3) xx 100` = 52.4 %
∴ Percentage of unoccupied volume in Scc = 100 - 52.4 = 47.6%
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Cubic System
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