Engineering Physics Unit 1 – Quantum Mechanics: important questions for AKTU
Unit 1 (Quantum Mechanics) questions that AKTU repeats most often. This unit carries about 26 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 1 questions
- 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
- Write and solve the Schrödinger wave equation for a particle in a one-dimensional infinite potential box and obtain its eigenfunctions and eigenvalues. (7 marks, 2026, Particle in a Box) – also asked in 2021, 2022, 2023, 2024, 2025
- Obtain the normalized wave function and energy Eigen values for a particle in a box. (7 marks, 2025, Particle in a Box) – also asked in 2021, 2022, 2023, 2024, 2026
Most important Unit 1 topic
- Particle in a Box (Unit 1: Quantum Mechanics) – asked 12 times in 2021, 2022, 2023, 2024, 2025, 2026
Most asked Unit 1 topics
- Particle in a Box – asked 12 times
- Blackbody Radiation Planck Theory – asked 11 times
- de-Broglie Matter Waves – asked 10 times
More Unit 1 previous year questions
- Calculate the energy difference between the ground state and the first excited state for an electron in a one-dimensional rigid box of length 10⁻¹⁰ m. (2 marks, 2026, Particle in a Box)
- Describe the Davisson–Germer experiment with a neat diagram. How does this experiment verify de Broglie's hypothesis of matter waves? (7 marks, 2026, de-Broglie Matter Waves)
- State the assumptions made by the Planck's to explain black body radiation curve. (2 marks, 2025, Blackbody Radiation Planck Theory)
- What is Wein's displacement law? (2 marks, 2025, Blackbody Radiation Planck Theory)
- Describe the term wave packet in Quantum Mechanics. (2 marks, 2025, de-Broglie Matter Waves)
Unit 1 syllabus topics
- Blackbody Radiation Planck Theory
- Compton Effect
- de-Broglie Matter Waves
- Schrodinger Wave Equation
- Particle in a Box