Solved question paper for PHYSICS May-2012 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2012
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2012
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-
Candidates are required to attempt 5 questions from SECTIONS A and B, taking at least TWO questions from each section.Short Answer May-2012 • PTU B-TECH
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Define Faraday’s laws of electromagnetic induction.Short Answer May-2012 • PTU B-TECH
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Dec 2017 State Ampere\'s circuital law in electromagnetism.
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May 2008 State and explainAmpere\'s circuital law.
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May 2005 State the Ampere’s circuital law in electrom agnetism.
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Dec 2004 State the faraday’s law in electromagnetic i nduction.
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What do you mean by susceptibility ?Short Answer May-2012 • PTU B-TECH
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What do you understand by magneto-striction effect?Short Answer May-2012 • PTU B-TECH
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Dec 2015 What do you understand by magnetostriction? 2 | M-54016 (S1)-228
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Dec 2014 How do you understand by the phenomenon of diamagnetism?
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May 2012 What do you understand by magnetic anisotropy?
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Dec 2012 What do you understand by magnetostriction effect?
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May 2010 What do you mean by magnetostriction?
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What is spontaneous emission?Short Answer May-2012 • PTU B-TECH
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Dec 2017 What is meant by stimulated emission?
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Dec 2016 What do you mean by stimulated emission?
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May 2011 Define spontaneous and stimulated emission.
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Dec 2011 Explain the meaning of stimulated emission.
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Dec 2004 What is difference between stimulated and spontaneous emission?
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What do you mean by splicer?Short Answer May-2012 • PTU B-TECH
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What is twin paradox?Short Answer May-2012 • PTU B-TECH
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What do you mean by inertial frame of reference?Short Answer May-2012 • PTU B-TECH
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Give important properties of X-raysShort Answer May-2012 • PTU B-TECH
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Dec 2011 Give important properties of X rays.
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Define Compton effectVery Short Answer 2 Marks May-2012 • PTU B-TECH
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May 2005 What is Compton Effect?
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A cylinder of radius R is immersed in a uniform electric field E with its axis parallel to the field. Estimate electric flux passing through the cylinder.Short Answer May-2012 • PTU B-TECH
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Deduce Maxwell equation using modified Ampere’s law and discuss its importance in reference to em propagation. (4,4)Short Answer May-2012 • PTU B-TECH
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Differentiate between soft and hard magnetic materials by taking suitableShort Answer May-2012 • PTU B-TECH
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May 2010 I-Iow you distinguish between hard and soft magnetic materials.
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Elaborate the concept of magnetic domains. (4,4)Short Answer May-2012 • PTU B-TECH
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Distinguish between temporal and spatial coherence by taking suitableShort Answer May-2012 • PTU B-TECH
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Elaborate construction and working of semiconductor laser. (4,4)Short Answer May-2012 • PTU B-TECH
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May 2017 Discuss the construction and working of a Semiconductor laser. 4
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May 2017 Discuss the construction and working of a Semiconductor laser. 4
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Discuss comparative contribution of pulse dispersion in case of a step index and graded index fibre.Short Answer May-2012 • PTU B-TECH
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A fibre is made with core of refractive index 1.48 and the cladding is doped to give a refractive index difference of 4 × l0 –4. Find cladding refractive index and critical angle. (4,4)Short Answer May-2012 • PTU B-TECH
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Two particles come towards each other with a speed of 0.9c with respect to the laboratory. What is their respective speed.Short Answer May-2012 • PTU B-TECH
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Deduce mass energy relationship of Einstein. (3.5)Short Answer May-2012 • PTU B-TECH
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Th wavelength of the Mo-K radiation is 0.7083 ×10–10m. The glancing angle in the 3 rd order for (1 0 0) planes of rock salt is 22°. Calculate the lattice constant.Short Answer May-2012 • PTU B-TECH
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Suggest a method used for production of X-rays. (4,4)Short Answer May-2012 • PTU B-TECH
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State and derive time independent Schrodinger equation.Short Answer May-2012 • PTU B-TECH
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May 2023 Derive time dependent and time independent Schrodinger wave equation.
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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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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 do you mean by othogonalization of a wave function? (5,3)Short Answer May-2012 • PTU B-TECH
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What do you understand by thermodynamics of superconductors? Comment of present status.Short Answer May-2012 • PTU B-TECH
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Dec 2019 What is meant by Critical temperature in context of superconductors?
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May 2011 What are the conditions for a material to be a superconductor?
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Dec 2008 What do you mean by the term \'Field penetration\' in super conductors?
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May 2005 What is the effect of magnetic field on superconductivity?
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Differentiate between type I and type II superconductors. (5,3)Short Answer May-2012 • 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 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 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.