Solved question paper for PHYSICS Dec-2016 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2016
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2016
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
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SECTION - B & C. have FOUR questions each.Short Answer Dec-2016 • PTU B-TECH
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May 2024 SECTION-B &C have FOUR questions each.
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May 2016 SECTION -B & C. have FOUR questions each.
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May 2013 SECTION - B & C have FOUR questions each.
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Dec 2012 SECTION - B & C. have FOUR questions each.
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Select at least TWO questions from SECTION - B & C.Short Answer Dec-2016 • PTU B-TECH
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May 2024 Select atleast TWO questions from SECTION -B & C.
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May 2019 Select atleast TWO questions from SECTION - B & C.
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May 2018 Select at least TWO questions from each SECTION - B & C. M-54016 Page 1 of 2
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May 2018 Select at least TWO questions from SECTION - B & C. M-54105 Page 1 of 2
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Dec 2018 Select atleast TWO questions from SECTION - B & C.
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May 2016 Select atleast TWO questions from SECTION -B & C.
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May 2014 Select at least Two questions from each ofthe Sections B & C. Section —A
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May 2012 Selecting at least TWO questions from SECTION -B & C each .
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Dec 2010 Selecting at least Two questions from Section - B & c.
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Write briefly :Short Answer Dec-2016 • PTU B-TECH
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What are main characteristics of dielectric materials?Short Answer Dec-2016 • PTU B-TECH
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Dec 2019 a) What is meant by polarization of a material? Mention the different mechanism of polarization in a dielectric.
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May 2016 Briefly discuss different dielectric polarization mechanisms. Also specify temperature dependence in each case. (4)
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May 2015 Discuss various polarizations induced in the dielectric when it is subjected to external electric field. (4,4)
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Dec 2014 Discuss various kinds of polarizations induced in the dielectric when it is subjected to external electric field.
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Dec 2011 Enumerate different polarization mechanisms in dielectrics?
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Dec 2005 What is dielectric polarization?
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Dec 2004 What is dielectric polarization?
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What do you mean by polarization of EM waves?Short Answer Dec-2016 • PTU B-TECH
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What do you understand by Meissner effect?Short Answer Dec-2016 • PTU B-TECH
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May 2019 Explain Meissner effect.
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May 2015 What is Meissner effect?
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Dec 2011 What is the physical mech anism behind Meissner effect.
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Dec 2004 What is meissner effect?
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What are type I superconductors?Short Answer Dec-2016 • 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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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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What do you mean by X-ray radiography?Short Answer Dec-2016 • PTU B-TECH
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May 2012 What do you mean by radiography?
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What do you mean by stimulated emission?Short Answer Dec-2016 • PTU B-TECH
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Dec 2017 What is meant by stimulated emission?
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May 2012 What is spontaneous 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 length contraction?Short Answer Dec-2016 • PTU B-TECH
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May 2009 Explain the term length contraction?
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What is physical significance of Numerical aperture in reference to fibre communication?Short Answer Dec-2016 • PTU B-TECH
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May 2017 What is the physical significance of numerical aperture of an optical fiber?
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What is the concept of wave packet?Short Answer Dec-2016 • PTU B-TECH
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Dec 2012 What do you understand by wave packet?
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What is quantum dot? 2 | M- 54105 (S1)-362Short Answer Dec-2016 • PTU B-TECH
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Dec 2012 What is quantum dot?
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In free space, E( x, t) = 80 cos ( wt-x)ay V/m. Find the average power crossing a circular area of radius 8m in plane x = constant. (3) 3 a) What is Magnetostriction effect. How can we exploit it to produce ultrasonic waves? (4)Short Answer Dec-2016 • PTU B-TECH
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Differentiate between Dia, Para and Ferro magnetic materials by taking suitable examples. (4) 4 a) A beam of X -rays, = 0.745 Å is incident on a crystal at a grazing angle of 7°42’ when first order Bragg ’s reflection occurs. Calculate the glancing angle for 4th order reflection. (4)Short Answer Dec-2016 • PTU B-TECH
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Derive Bragg’s law of diffraction of X-rays by crystals. (4) 5 a) Draw energy level diagram and discuss working of CO2 Laser. (5)Short Answer Dec-2016 • PTU B-TECH
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What is the concept of population inversion? (3)Short Answer Dec-2016 • PTU B-TECH
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May 2016 Define the term “population inversion”.
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May 2013 Explain the concept of population inversion.
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May 2008 Define population inversion. How it is achieved?
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Discuss important applications of optical fibres. (4) 7 a) Give a bri ef account of Michelson Morley experiment and discuss its importance in reference to special theory of relativity. (6)Short Answer Dec-2016 • PTU B-TECH
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What are main postulates of special theory of relativity? (2) 8 a) Compute the de -Broglie wavelength of a proton whose kinetic energy is double the rest energy of an electron. Mass of proton is 1800 times that of the electron. (4)Short Answer Dec-2016 • PTU B-TECH
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What do you mean by eigen values and eigen functions? (4) 9 a) “The properties of a mater ial get modified at nano scale !” Comment and justify your answer. (4)Short Answer Dec-2016 • PTU B-TECH
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How can we synthesize a nano material using ball milling? Can you suggest some better method for synthesizing nanomaterial? (4)Short Answer Dec-2016 • PTU B-TECH
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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.
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06 Can I find papers for other subjects in the same Bachelor of Technology?
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