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प्रश्न
Silver crystallizes in face centred cubic structure, if radius of silver atom is 144.5 pm. What is the edge length of unit cell?
विकल्प
408.6 pm
289.0 pm
428.6 pm
333.7 pm
MCQ
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उत्तर
408.6 pm
Explanation:
For FCC , r = `(sqrt2"a")/4` = 0.3535 a
144.5 = 0.3535 a
∴ a = 408.7 pm
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