Engineering Physics Unit 5 – Superconductors and Nano-Materials: important questions for AKTU
Unit 5 (Superconductors and Nano-Materials) questions that AKTU repeats most often. This unit carries about 17 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 5 questions
- What is the critical magnetic field? How does it vary with temperature? Critical temperature of superconductor when no magnetic field is applied is Tc. Find the temperature at which the critical field becomes half of its value at 0 K. (7 marks, 2026, Superconductivity Basics) – also asked in 2022, 2023, 2024, 2025
- The superconducting transition temperature of Lead is 7.26 K. The initial field at 0 K is 64 × 10³ Amp m⁻¹. Calculate the critical field at 5 K. What are nano materials? Explain briefly the basic concepts of Quantum dot, Quantum wire and quantum well? (7 marks, 2025, Superconductivity Basics) – also asked in 2022, 2023, 2024, 2026
- Describe the Meissner effect and differentiate between Type I and Type II superconductors on the basis of their magnetic behavior. (7 marks, 2025, Types of Superconductors) – also asked in 2022, 2023, 2024, 2026
Most important Unit 5 topic
- Superconductivity Basics (Unit 5: Superconductors and Nano-Materials) – asked 9 times in 2023, 2024, 2025, 2026
Most asked Unit 5 topics
- Superconductivity Basics – asked 9 times
- Nanomaterials Introduction Properties – asked 8 times
- Types of Superconductors – asked 7 times
More Unit 5 previous year questions
- State any two important properties of quantum dots and mention their significance. (2 marks, 2026, Nanomaterials Introduction Properties)
- What is meant by persistent current? (2 marks, 2026, Superconductivity Basics)
- Explain Type-I and Type-II superconductors. (7 marks, 2026, Types of Superconductors)
- Explain the method of preparation of Nanomaterials (i) Sol-Gel method and (ii) Chemical Vapour Deposition methods in detail. (7 marks, 2026, Fabrication of Nanomaterials)
- Show that perfect diamagnetism is an essential property of the superconductor. (2 marks, 2025, Superconductivity Basics)
Unit 5 syllabus topics
- Superconductivity Basics
- Types of Superconductors
- Nanomaterials Introduction Properties
- Fabrication of Nanomaterials