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Semiconductor Electronics question

2005 · Q150
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Semiconductor Electronics question

2005 · Q150

NEETPhysicsSemiconductor ElectronicsMCQ+4 / −1
Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54 A∘\mathop A\limits^ \circA∘​. The value of lattice constant for this lattice is
  1. A
    2.54 A∘\mathop A\limits^ \circA∘​
  2. B
    3.59 A∘\mathop A\limits^ \circA∘​
  3. C
    1.27 A∘\mathop A\limits^ \circA∘​
  4. D
    5.08 A∘\mathop A\limits^ \circA∘​
View written solutionFree

Correct answer: B

Lattice constant for (f.c.c.)

= a = interatomic spacing ×\times× 2\sqrt 2 2​ = 3.59 A∘\mathop A\limits^ \circ A∘​

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