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17-Phys-A6 Solid State Physics: May 2013

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

  1. Question 1 FCC Lattice — Packing Fraction, Miller Indices, Reciprocal Lattice
  2. Question 2 Lennard-Jones Potential and Cohesive Energy of Solid H₂
  3. Question 3 Phonon Dispersion Relation for a Monatomic Chain
  4. Question 4 Fermi Energy, Fermi Temperature and Occupation Probability of Liquid He-3
  5. Question 5 Band Filling, Metals/Insulators/Semiconductors, and Intrinsic Silicon Carrier Density
  6. Question 6 Diamagnetism vs. Paramagnetism, and the Langevin Susceptibility
  7. Question 7 Point Defects — Donor Impurities, Vacancy Concentration, and Diffusion

Start with Question 1 →

National Exams — Phys-A6: Solid State Physics — May 2013 (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).