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The atomic diameter of a BCC crystal (if a is lattice parameter) is _____?

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The atomic diameter of a BCC crystal (if a is lattice parameter) is _____? Answer: a/(4/√3)

In a Body-Centered Cubic (BCC) crystal structure, atoms touch each other along the body diagonal of the cube. The body diagonal length equals.

Question context

This question is part of ⚙️ Mechanical Eng within the broader 🛠️ Engineering Essentials subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.