Solved question paper for PHYSICS Dec-2023 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2023
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-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-
What is meant by 'surface-to-volume ratio'? Discuss sol-gel method for the synthesis of nanomaterials.Long Answer 8 Marks Dec-2023 • PTU B-TECH
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Develop time-dependent and time-independent Schrodinger wave equations.Long Answer 8 Marks Dec-2023 • PTU B-TECH
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May 2023 Derive time dependent and time independent Schrodinger wave equation.
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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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How does mass vary with relativistic velocity? Develop its relation.Long Answer 8 Marks Dec-2023 • PTU B-TECH
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May 2018 Derive the relativistic relation for variation of mass with velocity. (4)
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May 2017 Derive the expression for variation of mass of a relativistic body with velocity. 5
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May 2017 Derive the expression for variation of mass of a relativistic body with velocity. 5
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Dec 2017 Derive the relativistic relation for variation of mass with velocity.
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May 2015 Derive the expression for variation of mass with velocity for a relativistic particle.
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What is an optical fiber? What is pulse dispersion? How it can be minimised?Long Answer 8 Marks Dec-2023 • PTU B-TECH
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Dec 2020 What do you understand by material dispersi on and pulse broadening in optical fibres?
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May 2019 Explain pulse broadening in optical fibres.
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May 2015 Discuss pulse and material dispersion observed in optica l fibers. How is pulse dispersion minimized?
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What is laser? Describe the principle, construction and working of He-Ne laser.Long Answer 8 Marks Dec-2023 • PTU B-TECH
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Dec 2019 Describe the principle, construction and working of He-Ne laser.
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May 2017 Discuss the construction and working of a He-Ne laser. (5)
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May 2014 Describe the construction and working of a He-Ne laser.
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May 2011 Differentiate between three level and four level lasers. Give the construction and working of He-Ne laser.
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May 2008 Explain the construction and working of He-Ne laser.
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Dec 2007 Explain the action of He-Ne laser. How it is superior to Ruby laser?
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b) The X-ray of wavelength 0.154µm were obtained using Molybdenum BCC metal as target. The diffraction was obtained from the (200) planes at 2θ = 5x535°, Find lattice constant for Mo.Short Answer 8 Marks Dec-2023 • PTU B-TECH
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a) Describe Bragg’s spectrometer.Short Answer 8 Marks Dec-2023 • PTU B-TECH
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Dec 2017 Discuss working principle and construction of Braggs spectrometer .
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Mention different types of superconductors. How type-II superconductor differs from type-I superconductor?Long Answer 8 Marks Dec-2023 • PTU B-TECH
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May 2023 What is superconductivity? Discuss Type-I and Type-II superconductors.
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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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Explain the meaning of each Maxwell’s equation. What was the problem with the Ampere’s law?Long Answer 8 Marks Dec-2023 • PTU B-TECH
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May 2017 What is Ampere\'s circuital rule? What is the drawback of this rule and how it was accounted for by Maxwell? 3
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May 2017 What is Ampere\'s circuital rule? What is the drawback of this rule and how it was accounted for by Maxwell? 3
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May 2017 What is the basic drawback of Ampere\'s Circuital rule and how was it accounted by Maxwell?
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1(j) Define uncertainty principle.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(i) Explain carbon nanotubes.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(h) Define space lattice.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(g) Define group and phase velocities.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(f) What for the Michelson-Morley experiment was performed?Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(e) Define couplers and connectors.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(d) What are the conditions for laser action?Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(c) What is BCS theory?Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(b) Write the physical significance of gradient.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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1(a) Explain Ferro and Ferri magnetism.Very Short Answer 2 Marks Dec-2023 • PTU B-TECH
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May 2018 Explain the difference between ferromagnetism and antiferromagnetism. (3)
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May 2016 Explain the difference between ferromagnetism and antiferromagnetism. (3)
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Dec 2016 Differentiate between ferromagnetic and ferrimagnetic materials.
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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.