AKTU B.Tech. AAS101I / AAS201I Physics of Fibres and Textile Materials 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, TX Stream (Textile Engineering). It follows the official syllabus of Physics of Fibres and Textile Materials (course code AAS101I / AAS201I) 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 – Wave Optics: Interference: Coherent sources, interference in thin film of uniform and non-uniform thickness, Newton’s rings and its applications (wavelength and refractive index). Diffraction: Single slit diffraction, diffraction grating, dispersive power and resolving power of grating. Polarisation: Unpolarised and polarised light, double refraction, Huygens’ explanation of double refraction, Nicol prism – construction and working, optical activity.
3. Unit 3 – Thermal and Electrical Properties: Laws of thermodynamics, heat conduction, convection and radiation, heat capacity, thermal conductivity, band theory of solids, conductors, semiconductors, insulators, dielectric materials, piezoelectricity, ferro-electricity.
4. Unit 4 – Ultrasonics and Photonics: Ultrasonics: Introduction, generation of ultrasonic waves (magnetostriction and piezoelectric methods) and detection, applications in textile industry. Fiber optics: Fundamental idea about optical fiber, acceptance angle, acceptance cone, numerical aperture, principle of light propagation in optical fiber. Laser: Interaction of radiation with matter (absorption, spontaneous and stimulated emission), main components of a laser system, Ruby laser, He-Ne laser, laser applications in textile industry.
5. Unit 5 – Superconductivity and Nano-materials: Superconductors: Temperature dependence of resistivity and critical field in superconducting materials, Meissner effect, Type I and Type II superconductors, persistent current, high temperature superconductors, application of superconductors. Nano-materials: Introduction and properties of nano-materials, basic concept of quantum dots, quantum wires and quantum well, application of nano-materials.

Course details

• University: Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow
• Programme: B.Tech. First Year
• Subject: Physics of Fibres and Textile Materials
• Course code: AAS101I / AAS201I
• Stream: TX Stream (Textile Engineering)
• Credits: 3
• PDF length: 94 pages
• Format: PDF

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

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