Engineering Physics (BAS101) important questions and topics for AKTU
These are ranked by how often AKTU repeats them across 9 papers. Repeated questions and "very likely" topics are the safest marks in the exam.
Most repeated Engineering Physics questions
- Derive work-energy theorem for the flow of energy in an electromagnetic field. (7 marks, 2025, Poynting Vector and Theorem) – also asked in 2021, 2022, 2023, 2024, 2025, 2026
- Explain the term acceptance angle, acceptance cone and numerical aperture of an optical fiber with labelled diagram and derive expression for numerical aperture in terms of relative refractive index difference. (7 marks, 2025, Optical Fiber Basics) – also asked in 2021, 2022, 2023, 2024, 2025, 2026
- Explain the construction and working of He-Ne laser with proper-labelled diagram. (7 marks, 2025, Types of Lasers) – also asked in 2021, 2022, 2023, 2024, 2025, 2026
- Explain the concept of Poynting vector and discuss its physical meaning. (7 marks, 2026, Poynting Vector and Theorem) – also asked in 2021, 2022, 2023, 2024, 2025
- Explain the concept of black body radiation and state the main features of Planck's radiation law. (7 marks, 2026, Blackbody Radiation Planck Theory) – also asked in 2021, 2022, 2023, 2024, 2025
High-probability Engineering Physics topics
- Interference of Light (Unit 3: Wave Optics) – asked 26 times in 2021, 2022, 2023, 2024, 2025, 2026
- Plane Electromagnetic Waves (Unit 2: Electromagnetic Field Theory) – asked 19 times in 2021, 2022, 2023, 2024, 2025, 2026
- Optical Fiber Basics (Unit 4: Fiber Optics and Laser) – asked 18 times in 2021, 2022, 2023, 2024, 2025, 2026