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प्रश्न
The edge length of fee type unit cell of copper having an atomic radius of 127.6 pm is equal to ______
पर्याय
361 pm
295 pm
331 pm
378 pm
MCQ
रिकाम्या जागा भरा
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उत्तर
The edge length of fee type unit cell of copper having an atomic radius of 127.6 pm is equal to 361 pm.
Explanation:
For fcc type of unit cell, r = `sqrt2/4`a = 0.3535 a
∴ a = `127.6/0.3535 = 360.96 ≈ 361` pm
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