Solved question paper for PHYSICS May-2023 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2023
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2023
engineering physics previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for engineering physics, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for engineering physics with answers pdf while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
PART A
1. EM waves & Dielectrics:
Physical significance of Gradient, Divergence & Curl, Relationship between Electric Field & Potential, Dielectric polarization, displacement Current, Types of polarization, Maxwell‟s Equations, Equation of EM waves in free space, velocity of EM waves, Poynting vector, Electromagnetic Spectrum ( Basic ideas of different region).
2. Magnetic Materials & Superconductivity:
Basic ideas of Dia, Para, Ferro & Ferri, Ferrites, Magnetic Anisotropy, Magnetostriction its applications in production of Ultrasonic waves, Superconductivity, Superconductors as ideal diamagnetic materials, Signatures of Superconducting state, Meissner Effect, Type I & Type II superconductors, London Equations, Introduction to BCS theory.
3. Elements of crystallography:
Unit cell, Basis, Space lattice, Crystal Systems, Miller Indices of Planes & Directions in cubic system, Continuous & Characteristic X-Rays, X-Ray Diffraction & Bragg‟s law in Crystals, Bragg‟s spectrometer, X-ray radiography.
4. Lasers:
Spontaneous & Stimulated emissions, Einstein‟s Coefficients, Population Inversion, Pumping Mechanisms, Components of a laser System, Three & four level laser systems; Ruby, He-Ne, CO2 and semiconductor Lasers, Introduction to Holography.
PART B
5. Fibre Optics:
Introduction, Acceptance Angle, Numerical Aperture, Normalized frequency, Modes of propagation, material dispersion & pulse broadening in optical fibres, fibre connectors, splices and couplers, applications of optical fibres.
6. Special Theory of Relativity:
Concept of Ether, Michelson Morley Experiment, Einstein‟s postulates, Lorentz transformation equations; length, time and simultaneity in relativity, addition of velocity, variation of mass with velocity, Mass-Energy and Energy-momentum relations.
7. Quantum Theory:
Need and origin of quantum concept, Wave-particle duality, Matter waves, Group & Phase velocities, Uncertainty Principle, Significance & normalization of wave function, Schrodinger wave equation: time independent & dependent, Eigen functions & Eigen values, particle in a box.
8. Nanophysics:
Nanoscale, surface to volume ratio, electron confinement, nanoparticles (1D, 2D, 3D), Nanomaterials, Unusual properties of nanomaterials, synthesis of nanomaterials- ball milling and sol-gel techniques, Carbon nanotubes (synthesis and properties), applications of nanomaterials.
Solved Questions
Solved-
1(a) Define Curie-Weiss law.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(b) Write the significance of wave function.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(c) What is Stark effect?Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(d) What is Superconductivity?Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(e) Explain optical pumping.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(f) Define Holography.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(g) Define Para magnetism.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(h) Write difference between metals and insulators.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(i) What is Meissner effect?Very Short Answer 2 Marks May-2023 • PTU B-TECH
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1(j) Write Laws of illumination.Very Short Answer 2 Marks May-2023 • PTU B-TECH
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How many types of magnetism are there? Explain.Long Answer 8 Marks May-2023 • PTU B-TECH
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What is an extrinsic semiconductor? Describe its different types.Long Answer 8 Marks May-2023 • PTU B-TECH
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Discuss possible transitions between two energy levels of an atomic system and deduce the expressions for Einstein Coefficients.Long Answer 8 Marks May-2023 • PTU B-TECH
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May 2010 Spccify three types of possible transitions betwcen two atomic energy levels and derive relations for the Einstein\'s coefficients.
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Discuss the Langevin theory of paramagnetism.Long Answer 8 Marks May-2023 • PTU B-TECH
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Which approach is the most important for the understanding of ‘band theory of solids’?Long Answer 8 Marks May-2023 • PTU B-TECH
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Discuss He-Ne laser with energy level diagram.Long Answer 8 Marks May-2023 • PTU B-TECH
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May 2024 Explain the construction and working of He-Ne laser with the help of energy level diagram, What is the role of He in He-Ne laser?
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Dec 2017 Using appropriate energy level diagram, discuss the working of He-Ne laser.
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Dec 2017 Describe the working of He-Ne laser with proper energy level diagram . | M54016 Page 2 of 2
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May 2016 Describe the working of He-Ne laser with proper energy level diagram. (5)
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May 2016 Explain the construction and working of He -Ne laser with help of energy level diagram showing laser transitions and specify corresponding wavelengths. (5)
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May 2012 Draw energy level diagram and discuss working of He-Ne Laser.
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May 2009 Explain the working, constructiou and energy level diagram for He-Ne laser.
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Dec 2005 Discuss the principle of operation of He-Ne laser. Draw the energy level diagram and indicate t he wavelength of the radiation.
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Derive time dependent and time independent Schrodinger wave equation.Long Answer 8 Marks May-2023 • PTU B-TECH
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Dec 2023 Develop time-dependent and time-independent Schrodinger wave equations.
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Dec 2023 b) Derive time dependent Schrodinger wave equation.
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May 2019 Derive the expression of time -dependent Schrodinger wave equation for a given wave function.
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May 2018 Derive the expression for time dependent Schrodinger’s equation. (4)
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Dec 2017 Derive time independent Schrodinger wave equation and discuss its significance in today\'s context.
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Dec 2017 Derive the expression for time independent Schrodinger\'s equation.
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May 2016 Derive the expression for time independent Schrodinger\'s equation. (4)
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May 2016 Establish time dependent Schrodinger wave equation and further deduce time independent form of this equation. (5)
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May 2013 Derive time-dependent Schrodinger wave equation. Give a physical interpretation of the wave function.
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May 2012 State and derive time independent Schrodinger equation.
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Dec 2012 Develop time independent Schrödinger Wave Equation and discuss its significance. (3,5)
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Dec 2009 Define Wave function and calculate the expression for Time dependent Schrodinger Wave Equation.
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What is superconductivity? Discuss Type-I and Type-II superconductors.Long Answer 8 Marks May-2023 • PTU B-TECH
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Dec 2023 Mention different types of superconductors. How type-II superconductor differs from type-I superconductor?
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Dec 2023 Write short notes on: c) What are Type I and Type II Superconductors?
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Dec 2020 Differentiate between Type - I & Type - II superconductors.
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May 2019 What are Type I and Type II superconductors?
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Dec 2019 What are Type-I and Type-II superconductors?
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May 2018 What do you understand by type I superconductors?
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May 2017 What are type I and type II superconductors and give their distinguishing features. 3
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May 2017 What are type I and type II superconductors and give their distinguishing features. 3
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May 2017 What are type I and type II superconductors? Give their distinguishing characteristics. (4)
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Dec 2017 What do you mean by Meissner effect? Discuss Type I and Type II Superconductors. ( b) Give a quantitative explanation of BCS theory of superconductors. How does this theory explain major characteristics of superconductors?
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Dec 2016 What are type I superconductors?
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May 2015 Give a brief account of Type I and II superconductors. (4,4)
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May 2012 What are type II superconductors?
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May 2012 Differentiate between type I and type II superconductors. (5,3)
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May 2011 What do you understand by type - I and type - II superconductors? Explain with examPles.
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Dec 2011 What is Meissner effect? Expl ain the difference between Type-I and Type-II superconductors.
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Dec 2010 Explain the deference between the Type I and Type II superconductors. \\\' (b) Give the salient features of BCS theory of superconductors.
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Dec 2005 What do you understand by type I and type II superconductors? Give the BCS theory of superconductivity.
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Answers about this subject, solved papers, and preparation.
01 Where can I find engineering physics previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists engineering physics question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year engineering physics papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does engineering physics usually cover?
The question papers here relate to the official engineering physics syllabus set by the university for this course and semester.
05 Does this page include a engineering physics with answers pdf or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.