About this exam

This is a 2026 final exam paper for modern-physics at aau (electrical-computer-engineering). This is a final examination for a Modern Physics course, likely administered at the Addis Ababa Institute of Technology (AAiT) for second-year engineering students. The exam evaluates core concepts in quantum mechanics and special relativity. **Key Topics Covered:** Relativistic mass and energy, de Broglie wavelength, photoelectric effect, Bohr's model of the atom, Heisenberg uncertainty principle, particle in a 1D infinite potential well, and wave function normalization and expectation values. **Exam Structure & Format:** The exam consists of 5 comprehensive analytical problems, each requiring multi-step calculations. All questions carry equal weight, and a table of physical constants is provided for reference.