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Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.

Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å. The value of lattice constant for this lattice is

Options

(a) 2.54 Å
(b) 3.59 Å
(c) 1.27 Å
(d) 5.08 Å

Correct Answer:

3.59 Å

Explanation:

Lattice constant for C = r₀ × √2 = 2.54 × 1.414 = 3.59 Å

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