Solved question paper for PHYSICS Dec-2014 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2014
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2014
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-
Tech (Sem.-1st & 2nd) ENGINEERING PHYSICS Subject Code: PH-101 Paper ID: [A0122] INSTRUCTIONS TO CANDIDATE:Short Answer Dec-2014 • PTU B-TECH
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Dec 2017 Tech. (Sem.1, 2) ENGINEERING PHYSICS Subject Code : BTPH 101 Paper ID : A1102
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Dec 2017 Tech. (Sem. 1, 2) ENGG. PHYSICS Subject Code: PH-101 Paper ID: A0122
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Dec 2010 Tech. (Sem. \' Lstlznd) ENGINEERING PHYSICS SUB.TECT CODE : PH - 10L (2k4 & Onwards) Paper ID : [A0113] [Note : Pleasc fill subject code and paper ID on OMR] Instruction to\'Candidates:
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Write Maxwell’s equations in differential form and give their physical significanceVery Short Answer 2 Marks Dec-2014 • PTU B-TECH
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May 2025 a. Write the Maxwell\\\'s equations and discuss the physical significance of each equation.
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Dec 2023 a) Write the Maxwell\\\'s equations and discuss the physical significance of each equation.
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May 2019 Derive all Maxwell’s equations in free space and explain their physical significance.
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May 2018 Write Maxwell’s four equations of electromagnetic theory and briefly interpret each of them. (4)
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May 2017 Write Maxwell\'s equations in integral form and attach physical significance to each of them.
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Dec 2017 Write Maxwell\'s four equations of electromagnetic theory and briefly interpret each of them.
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May 2016 Write Maxwell’s four equations of electromagnetic theory and briefly interpret each of them. (4)
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May 2011 Write down maxwell equations and explain their significance.
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Dec 2011 Write down the four Maxwell\'s equa tions in differential form. Discuss the significance of each. Explain Maxwell\'s modification of Ampere\'s law.
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Dec 2010 Write down Maxwell\'s equations and explain their physical significance.
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Dec 2008 Give the physical significance of Maxwell\'s equations.
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Dec 2005 Write maxwells equations. Explain the physic al significance of each equation.
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What is the physical significance of pointing vector?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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How do you understand by the phenomenon of diamagnetism?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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Dec 2015 What do you understand by magnetostriction? 2 | M-54016 (S1)-228
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May 2012 What do you understand by magnetic anisotropy?
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May 2012 What do you understand by magneto-striction effect?
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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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Why the lasing action is easier in four level laser systems?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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Why do we observe spiked output of ruby laser?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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Dec 2015 Why is the output of ruby laser spiked? Give the wavelength of output radiation. (3)
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What is the basic principle of guiding the light wave through an optical fiber?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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May 2017 How does light propagate through an optical fiber?
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May 2017 How does light propagate through an optical fiber?
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Dec 2014 What is the basic principle of guiding the light wave through an optical fibre.
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What were the results of Michelson-Morley Experiment?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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Dec 2017 What is the outcome of Michelson Morley Experiment?
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May 2016 How you interpret the negative result of the Michelson Morely experiment? (2)
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Dec 2014 What were the conclusions of Michelson-Morley experiment?
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Dec 2011 What was the objective of conducting the Michelson Morley experiment? Describe the experiment. How do you interpret its result?
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Why an electron can’t be accelerated in a cyclotron?Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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May 2017 Justify why an electron can\'t be accelerated in a cyclotron.
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May 2017 Justify why an electron can\'t be accelerated in a cyclotron.
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May 2017 Why an electron can’t be accelerated in a cyclotron?
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What is Mosley’s law and how it is useful classification of elements in periodic table.Very Short Answer 2 Marks Dec-2014 • PTU B-TECH
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What is a cooper pair and how it is formedVery Short Answer 2 Marks Dec-2014 • PTU B-TECH
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Dec 2005 What are cooper pairs?
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Obtain the equation of electromagnetic waves in conducting medium and give the significance of skin effect. (4) Q.3.(a) Give brief account of various kinds of magnetic materials. (4)Short Answer Dec-2014 • PTU B-TECH
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What are magnetic domains? What are various factors which play role in their formation (4) Q.4.(a)Discuss the construction and working of a ruby laser. (4)Short Answer Dec-2014 • PTU B-TECH
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Give a qualitative idea formation and reconstruction of hologram. (4) Page: 2 Q.5.(a)What are different kinds of optical fibers? Discuss various kinds of dispersions observed when light propagates through on optical fibre. (5)Short Answer Dec-2014 • PTU B-TECH
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Give three applications of optical fibers. (3)Short Answer Dec-2014 • PTU B-TECH
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May 2017 Give three applications of optical fibers (3)
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Dec 2014 Give three applications of optical fibres .
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Dec 2011 Give important appli cations of optical fibres.
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Give a brief account of various non-destructive techniques. (4) Q.7.(a)Derive an expressions of Compton shift obtained when a photon is scattered by a nearly free electron at rest. (4)Short Answer Dec-2014 • PTU B-TECH
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Obtain time independent Schrodinger’s equation. Argue qualitatively that energy quantization is embedded in this equation. (4) Q.8 .(a) Derive the expression for length contraction of a relativistically moving body (5)Short Answer Dec-2014 • PTU B-TECH
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The mean life of a muon, when it is at rest is 2.2µs. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c (3) Q.9. (a) Obtain London’s equation and give their significance as regards to superconductivity. (4)Short Answer Dec-2014 • PTU B-TECH
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Give a brief account of BCS theory of superconductivity emphasizing of formation of cooper pairs. (4) *******END********Short Answer Dec-2014 • PTU B-TECH
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May 2019 Explain BCS theory of superconductivity.
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May 2018 Give a quantitative explanation of BCS theory of superconductors. How does this theory explain major characteristics of superconductors? (4)
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May 2017 Give a brief account of BCS theory of superconductivity. (4)
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May 2016 Give a quantitative explanation of B CS theory of superconductors. H ow does this theory explain major characteristics of superconductors? (4)
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May 2015 Give a brief account of BCS theory of superconductivity. (5, 3)
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Dec 2014 Give a brie f account of occurrence of superconductivity using BCS theory.
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May 2011 Explain BCS theory of superconductivity.
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Dec 2009 Explain BCS theory of superconductivity.
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Dec 2008 Explain the BCS theory of superconductivity. 31 9x -91 E-524 2
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FAQ
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.