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17-Phys-A6 Solid State Physics: May 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Bravais Lattices — Naming, Packing Fraction, Reciprocal Lattice, Miller Indices
  2. Question 2 Lennard-Jones Potential Minimum and Interatomic Force in Krypton
  3. Question 3 Diatomic-Chain Phonon Dispersion — Optical and Acoustical Branches
  4. Question 4 Fermi Energy, Fermi Temperature and Occupation Probability of Helium-3
  5. Question 5 Intrinsic Silicon — Band Gap, Effective Mass, Fermi Level, Carrier Concentration, Doping
  6. Question 6 Paramagnetism, Diamagnetism, and the Molar Susceptibility of an Inert Gas
  7. Question 7 Point Defects and Diffusion — Vacancy Concentration and Dopant Diffusion Rate

Start with Question 1 →

National Exams — Phys-A6: Solid State Physics — May 2014 (3 hours; closed book; useful equations and physical constants annexed to the paper). Any FIVE of the SEVEN questions constitute a complete exam paper (first five as they appear in the answer book are marked); all seven are solved below as a complete study resource.

Reference texts: C. Kittel, Introduction to Solid State Physics, 8th ed. (Ch. 1–3, 4, 6, 8, 14, 18); N. W. Ashcroft & N. D. Mermin, Solid State Physics, 1st ed. (Ch. 2, 4–7, 22, 28, 31–32).