Question:
The atomic radius of atom is r. Total volume of atoms present in an fcc unit cell of an element is:
The atomic radius of atom is r. Total volume of atoms present in an fcc unit cell of an element is:
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FCC unit cell always contains 4 atoms.
Updated On: Mar 17, 2026
- 243π r³
- 123π r³
- 163π r³
- None
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The Correct Option is C
Solution and Explanation
In an fcc unit cell:
- Number of atoms per unit cell = 4
- Volume of one atom = 43π r³
Total volume of atoms:
4 × (4)/(3)π r³ = (16)/(3)π r³
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