[pdf] A Guide to Physics Problems: Part 2: Thermodynamics, Statistical Physics, and Quantum Mechanics Sidney B. Cahn, Gerald D. Mahan, Boris E. Nadgorny, Max Dresden

A Guide to Physics Problems is a two-volume set of problems taken from Ph.D. qualifying exams. Part 2 — the companion to Part 1: Mechanics, Relativity, and Electrodynamics (Plenum 1994) — features 182 challenging problems with detailed solutions, textbook references, clear illustrations, and an easy-to-use layout.