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Which one of the following is BCC?

Correct answer: D. All of the above

  • A. Fe
  • B. Cr
  • C. Tungsten
  • D. All of the above

Explanation

The correct answer is 'All of the above' because Iron (Fe), Chromium (Cr), and Tungsten all have a Body-Centred Cubic (BCC) crystal structure. BCC is one of the most common crystal structures found in metals, where each atom is at the centre of a cube formed by eight other atoms. Iron is BCC at room temperature but transitions to FCC at higher temperatures. Chromium and Tungsten maintain their BCC structure across a wide range of temperatures, contributing to their unique properties like hardness and high melting points.

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About Physics of Solids

Solids are compared through crystal structure, amorphous arrangement, elasticity, plastic deformation, stress, strain and Young’s modulus. Electrical behavior depends on available charge carriers and band structure, so conductors, insulators and semiconductors must be distinguished from mechanical properties such as strength, stiffness and brittleness.

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