Which one is the right option: A) 3.59 Å B) 2.54 Å C) 1.27 Å D) 5.08 Å

Wave Optics

Question

Copper has face centred cubic (fcc) lattice with interatomic spacing equal to 2.54 A. The value of the lattice constant for this lattice is
3.59 Å
2.54 Å
1.27 Å
5.08 Å

Answer

3.59 Å

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