AKTU B.Tech. AAS101C / AAS201C Quantum Physics and Electronic Sensors Solved Question Bank

This EduQuest solved question bank supports exam preparation for Dr. A.P.J. Abdul Kalam Technical University (AKTU) B.Tech. First Year, ECE Stream (Electronics and Communication Engineering). It follows the official syllabus of Quantum Physics and Electronic Sensors (course code AAS101C / AAS201C) unit by unit.

What is included

• Quick revision sheet of key formulae at the start of every unit.
• 12 short answer questions (2 marks) per unit with exam-ready answers.
• 12 long answer questions (7 marks) per unit with complete step-by-step solutions, diagrams and numericals.
• MOST IMPORTANT and IMPORTANT tags with a summary list for each unit.
• AKTU-format model question papers with complete solutions.

Unit-wise syllabus coverage

1. Unit 1 – Fundamentals of Quantum Mechanics: Inadequacy of classical mechanics, de-Broglie concept of matter waves, Davisson and Germer experiment, wave packet, phase velocity, group velocity, Heisenberg’s uncertainty principle and its applications, time-dependent and time-independent Schrodinger wave equations, particle confined in one dimensional box, wave function and its physical interpretation.
2. Unit 2 – Quantum Theory of Solids: Free electron theory, Fermi-Dirac distribution, energy bands in solids, band gap, conductors, semiconductors and insulators, effective mass, density of states, intrinsic and extrinsic semiconductors, conductivity of semiconductors, Fermi level.
3. Unit 3 – Electromagnetic Field Theory: Basic laws of electricity and magnetism, continuity equation for current density, displacement current, Maxwell equations in integral and differential form, Maxwell equations in vacuum and in conducting medium, Poynting vector and Poynting theorem, plane electromagnetic waves in vacuum and in conducting medium, skin depth.
4. Unit 4 – Dielectric and Magnetic Materials: Dielectric materials: Dielectrics, dielectric constant, electric displacement and polarization vectors, electric susceptibility, polarization mechanism, application of dielectric materials. Magnetic Materials: Magnetic susceptibility, dia-, para-, ferro-, materials, hysteresis loss, coercivity, remanence, importance of hysteresis curve, applications of magnetic materials.
5. Unit 5 – Photonics: Fiber optics: Fundamental idea about optical fiber, acceptance angle, acceptance cone, numerical aperture, principle of light propagation in optical fiber, attenuation and attenuation coefficient in fiber. Laser: Interaction of radiation with matter (absorption, spontaneous and stimulated emission), principle of laser operation, Einstein’s coefficients, Ruby laser, He-Ne laser, laser applications.

Course details

• University: Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow
• Programme: B.Tech. First Year
• Subject: Quantum Physics and Electronic Sensors
• Course code: AAS101C / AAS201C
• Stream: ECE Stream (Electronics and Communication Engineering)
• Credits: 3
• PDF length: 89 pages
• Format: PDF

Use this question bank along with the official syllabus, your class notes and the prescribed text books.

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