Engineering Physics BAS101 BAS201 Important Questions | AKTU B.Tech 1st Year Unit‑Wise is a study resource for Engineering Physics in B.Tech (All Branches) (1st Year) at Dr. A.P.J. Abdul Kalam Technical University (AKTU). This university-level resource provides a comprehensive roadmap for Dr. A.P.J. Abdul Kalam Technical University (AKTU) students mastering the B.Tech (All Branches) syllabus in Engineering Physics. Author's description: Unit‑wise collection of important questions for Engineering Physics (BAS101 & BAS201), AKTU B.Tech 1st Year. Covers Wave Optics, Quantum Mechanics, Relativity, Lasers, Fiber Optics, Crystallography, Semiconductors, and Nanotechnology. Designed for exam preparation and last‑minute revision. Only questions, no answers. Strategically aligned with semester requirements, this material ensures that Engineering Physics concepts are presented with the technical depth and clarity required for high academic standing.