Solved question paper for PHYSICS Dec-2016 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2016
PTU • B-TECH • Mechanical 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 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 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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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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Write briefly :Short Answer Dec-2016 • PTU B-TECH
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Define Electrodynamics.Short Answer Dec-2016 • PTU B-TECH
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What do you mean by spatial coherence?Short Answer Dec-2016 • PTU B-TECH
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Differentiate between ferromagnetic and ferrimagnetic materials.Short Answer Dec-2016 • PTU B-TECH
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Dec 2023 1(a) Explain Ferro and Ferri magnetism.
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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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What is Isotope effect?Short Answer Dec-2016 • PTU B-TECH
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May 2015 What is isotope effect?
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Dec 2015 What is Isotope effect?
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What do you mean by Couplers?Short Answer Dec-2016 • PTU B-TECH
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“Is earth an inertial frame of reference”? Comment.Short Answer Dec-2016 • PTU B-TECH
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Dec 2011 Is the earth an inertial frame? If not, why?
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What is non-destructive testing?Short Answer Dec-2016 • PTU B-TECH
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What do you understand by expectation values?Short Answer Dec-2016 • PTU B-TECH
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“Can we synthesise superconducting wires”? Comment.Short Answer Dec-2016 • PTU B-TECH
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What do you mean by orthogonal wave function? 2 | M C o d e 5 4 0 1 6 ( S 1 ) - 3 6 9Short Answer Dec-2016 • PTU B-TECH
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State and explain modified Ampere's law and discuss its importance in reference to electrodynamics. (5) 3 a) Explain diamagnetism and ferromagnetism on the basis of magnetic domains of the atom. (4)Short Answer Dec-2016 • PTU B-TECH
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“Soft magnetic materials have thin hysteresis lo op”. Comment and justify your 4 a) “Stimulated emission is a must for laser transitions ”. Comment and justify yourShort Answer Dec-2016 • PTU B-TECH
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The half width of the gain profile of a laser material is about 10–3nm. What should be the maximum length of the cavity to have a single longitudinal mode oscillation? (4) 5 a) If fractional difference between the c ore and cladding refractive indices of a fibre is 0.015 and numerical aperture is 0.25, calculate the refractive index of core and cladding material. (4)Short Answer Dec-2016 • PTU B-TECH
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Explain how a glass fibre guides light from one end to the other. (4)Short Answer Dec-2016 • PTU B-TECH
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Deduce the expression of length contraction using concept of Lorentz transformations. (5)Short Answer Dec-2016 • PTU B-TECH
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Dec 2014 Derive the expression for length contraction.
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The first order reflection from the plane of a crysta l is obtained at an angle of 25 ° with the incident beam. If inter atomic spacing is 3A °, then calculate the wavelength of X-rays used. (4)Short Answer Dec-2016 • PTU B-TECH
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What do you understand by crystallography? Where do we use it? (4) 8 a) A particle of mass 5×10 –26Kg is accelerated to one -fifth of velocity of light. If the velocity can be measured with an accuracy of 98%, what will b e the uncertainty in its position? (4)Short Answer Dec-2016 • PTU B-TECH
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Develop the Hamiltonian operator of free particle moving in one dimension under the influence of zero potential energy. (4) 9 a) Define Meissner effect and discuss its usefulness in reference to superconductivity. (4)Short Answer Dec-2016 • PTU B-TECH
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Write a brief note on high temperature superconductors. (4)Short Answer Dec-2016 • PTU B-TECH
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May 2015 Write a note on superconductivity with emphasis on magnetic and thermodynamic properties.
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Dec 2015 Give a brief account of superconductivity while throwing light on magnetic and thermodynamic properties. (4)
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Frequently Asked Questions
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.