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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
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
shaalaa.com
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