Solved question paper for PHYSICS May-2017 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2017
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2017
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 May-2017 • PTU B-TECH
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May 2024 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 atleast TWO questions from SECTION - B & C.Short Answer May-2017 • 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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May 2015 Select atleast TWO questions from SECTION - B & C.
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Dec 2015 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 2013 Select atleast TWO questions from SECTION - B & C.
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May 2013 Select atleast TWO questions from SECTION - B & C.
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May 2012 Selecting at least TWO questions from SECTION -B & C each .
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May 2011 Select at least Two questions from Section - B & C
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May 2010 Select at least lbo questions from Section B & C.
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Dec 2010 Selecting at least Two questions from Section - B & c.
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Dec 2009 Select atleast TWo questions from Section - B & C.
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May 2008 Select atleast TWo questions from Section - B and C.
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Dec 2008 Select at least Two questions from Section - B&C.
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Write briefly :Short Answer May-2017 • PTU B-TECH
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May 2024 Write short notes on:
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Write Maxwell's equations in integral form and attach physical significance to each of them.Short Answer May-2017 • 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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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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Dec 2014 Write Maxwell’s equations in differential form and give their physical significance
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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 basic drawback of Ampere's Circuital rule and how was it accounted by Maxwell?Short Answer May-2017 • PTU B-TECH
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Dec 2023 Explain the meaning of each Maxwell’s equation. What was the problem with the Ampere’s law?
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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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How does the diamagnetism arise on atomic basis?Short Answer May-2017 • PTU B-TECH
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May 2017 What is the atomic origin of paramagnetism exhibited by certain materials?
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May 2017 What is the atomic origin of paramagnetism exhibited by certain materials?
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Dec 2014 What is the atomic origin of diamagnetism exhibited by certain materials?
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What are the essential requirements to enhance the stimulated emission in atoms?Short Answer May-2017 • PTU B-TECH
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What is the role of Helium atoms in the Helium Neon laser?Short Answer May-2017 • PTU B-TECH
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What is the physical significance of numerical aperture of an optical fiber?Short Answer May-2017 • PTU B-TECH
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Dec 2016 What is physical significance of Numerical aperture in reference to fibre communication?
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Give the results of the Michelson-Morley experiment.Short Answer May-2017 • PTU B-TECH
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May 2018 Discuss relevance of Michelson Morley experiment in reference to special theory of relativity.
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May 2015 Discuss the Michelson-Morley experiment and give its conclusions.
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May 2011 Describe Michelson Morley experiment and show the negative results obtained from this experiment were interpreted\'
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Dec 2009 Explain Michelson Morley experiment and discuss its significance.
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May 2008 Explain Michelson-Morley experiment in detail and give the significance of negative results
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Why an electron can’t be accelerated in a cyclotron?Short Answer May-2017 • 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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Dec 2014 Why an electron can’t be accelerated in a cyclotron?
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How are the characteristics x-rays produced?Short Answer May-2017 • PTU B-TECH
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May 2015 What are the origins of characteristic and continuous x-rays?
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Dec 2015 What is the physical phenomenon underlying the generation of x-rays?
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Dec 2005 What is the origin of X-rays? Explain.
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What is the physical process resulting in the formation of a Copper pair. 2 | M C o d e 5 4 0 1 6 ( S 1 ) - 1 9 3Short Answer May-2017 • PTU B-TECH
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Derive differential form of Maxwell's equations in a material medium. (4)Short Answer May-2017 • PTU B-TECH
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May 2015 Write differential form of Maxwell\'s equations applicable in material medium. (6, 2)
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Obtain the equation of electromagnetic waves in a dielectric medium and write down their characteristic features. (4)Short Answer May-2017 • PTU B-TECH
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Give brief account of various phenomena involved i n formation of domains in ferromagnetic materials. (5)Short Answer May-2017 • PTU B-TECH
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May 2024 What are ferromagnetic materials? Explain ferromagnetism using domain theory.
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May 2014 Explain briefly the concept of a ferromagnetic domain.
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Dec 2011 What are the distinguishing ch aracteristics of ferromagnetism? Discuss the domain theory of ferromagnetism.
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May 2010 What are ferromagnetic domains? Explain their existence in terms of atomic dipole moments.
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May 2008 Discuss the domain theory of ferromagnetism.
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Write a short note on hard and soft magnetic materials. (3)Short Answer May-2017 • PTU B-TECH
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Discuss the construction and working of a He-Ne laser. (5)Short Answer May-2017 • PTU B-TECH
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Dec 2023 What is laser? Describe the principle, construction and working of He-Ne laser.
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Dec 2019 Describe the principle, construction and working of He-Ne laser.
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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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Give few applications of holography. (3)Short Answer May-2017 • PTU B-TECH
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What is an optical fiber ? Discuss the underlying principle of light guidance through optical fiber. Derive the expression for numerical aperture of optical fiber and attach physical significance to it. (5)Short Answer May-2017 • PTU B-TECH
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Dec 2019 Explain the basic principle used in optical fibre for transmission of light. What is acceptance angle for an optical fibre? How it is related to numerical aperture. Find out the numerical aperture and acceptance angle of an optical fibre, if the refractive indices for core and cladding are 1.6 and 1.5 respectively.
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May 2017 What are different kinds of optical fibers ? How is light wave guided through an optical fiber? Derive and interpret the numerical aperture of an optical fiber. 5
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May 2017 What are different kinds of optical fibers ? How is light wave guided through an optical fiber? Derive and interpret the numerical aperture of an optical fiber. 5
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May 2015 What is an optical f iber? Give the basic principle of light guidance through the optical fiber. Derive an expression for numerical aperture of an optical fiber.
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Give three applications of optical fibers (3)Short Answer May-2017 • PTU B-TECH
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Dec 2014 Give three applications of optical fibres .
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Dec 2014 Give three applications of optical fibers. (3)
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Dec 2011 Give important appli cations of optical fibres.
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Discuss the physical process of generation of x -rays. Further discuss the origin of characteristic and continuous x-rays. (4)Short Answer May-2017 • PTU B-TECH
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Dec 2014 How are x -rays produced. Further discuss the origin of characteristic and continuous x -rays. M-54105 Page: 2
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May 2010 Discuss origin of characteristic and continuous x-rays.
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Write a short note on non-destructive techniques. (4)Short Answer May-2017 • PTU B-TECH
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What are the velocities characterizing a matter wav e? Derive the expression for these velocities. (4)Short Answer May-2017 • PTU B-TECH
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Obtain steady state Schrodinger's equation. Give essential requisites for a wave function to define a state of the system. (4)Short Answer May-2017 • PTU B-TECH
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Derive the expression for time dilation of a relativistically moving body. (5)Short Answer May-2017 • PTU B-TECH
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May 2016 Define time dilation and derived the expression relating the time interval as observed in two inertial frames of references. (4)
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May 2010 Define time dilation and derive the expression relating thc time interval as observed in two inertial frames of references.
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The mean life of a m uon, when it is at rest, is 2.2 s. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c. (3)Short Answer May-2017 • PTU B-TECH
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May 2017 The mean life of a muon, when it is at rest, is 2.2 s. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c. 3
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May 2017 The mean life of a muon, when it is at rest, is 2.2 s. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c. 3
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Dec 2014 The mean life of a muon, when it is at rest, is 2.2 μs. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c.
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What are type I and type II superconductors? Give their distinguishing characteristics. (4)Short Answer May-2017 • 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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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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Give a brief account of BCS theory of superconductivity. (4)Short Answer May-2017 • 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 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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Dec 2014 Give a brief account of BCS theory of superconductivity emphasizing of formation of cooper pairs. (4) *******END********
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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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01 Where can I find engineering physics previous year question papers for Bachelor of Technology, 1st-2nd semester?
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03 How can previous year engineering physics papers help in exam preparation?
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04 What kind of topics does engineering physics usually cover?
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