Solved question paper for PHYSICS May-2019 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2019
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2019
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-2019 • 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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Select atleast TWO questions from SECTION - B & C.Short Answer May-2019 • 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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Dec 2010 Selecting at least Two questions from Section - B & c.
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Write briefly :Short Answer May-2019 • PTU B-TECH
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Give the physical significance of divergence and curl of a field.Short Answer May-2019 • PTU B-TECH
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May 2017 What is the physical significance of curl of a vector field?
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May 2017 What is the physical significance of curl of a vector field?
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May 2016 What is the physical significance of divergence of a vector field?
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May 2015 What is the physical significance of divergence of a vector field?
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Write all for Maxwell’s equations in integral form for free space.Short Answer May-2019 • PTU B-TECH
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Dec 2023 a) Write Maxwell\\\'s equations in free space in their differential form and derive the EM wave equation.
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May 2015 Using Maxwell’s equations, obtain the equations of electric and magnetic waves propagating in free space.
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May 2014 Writetthe four Maxwell’s equations in differential form.
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Dec 2011 Write Maxwell equations for free space.
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May 2009 Derive the relations for Maxwell\'s equations\'
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Explain Meissner effect.Short Answer May-2019 • PTU B-TECH
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Dec 2016 What do you understand by 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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Define Unit Cell and basis in a crystal.Short Answer May-2019 • PTU B-TECH
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May 2024 Define unit cell.
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Dec 2020 Define terms: unit cell, basis and space lattice.
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Discuss any two pumping mechanisms.Short Answer May-2019 • PTU B-TECH
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Explain pulse broadening in optical fibres.Short Answer May-2019 • PTU B-TECH
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Dec 2023 What is an optical fiber? What is pulse dispersion? How it can be minimised?
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Dec 2020 What do you understand by material dispersi on and pulse broadening in optical fibres?
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May 2015 Discuss pulse and material dispersion observed in optica l fibers. How is pulse dispersion minimized?
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Discuss the concept of Ether.Short Answer May-2019 • PTU B-TECH
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Differentiate between group and phase velocities of waves.Short Answer May-2019 • PTU B-TECH
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May 2018 Differentiate between phase velocity and group velocity
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May 2013 Differentiate between phase velocity and group velocity.
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Dec 2007 Distinguish between phase and group velocity.
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What do you mean by eigenfunctions and eigenvalues?Short Answer May-2019 • PTU B-TECH
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Dec 2020 What do you understand by eigen functions & eigen values in quantum mechanics?
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Dec 2017 What do you understand by eigen functions.
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May 2005 What do you understand by Eigen values and Eigen functions?
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Why nanomaterials exhibit unusual properties? 2 | M- 54105 (S1)-2735Short Answer May-2019 • PTU B-TECH
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Derive all Maxwell’s equations in free space and explain their physical significance.Short Answer May-2019 • 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 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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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 are Type I and Type II superconductors?Short Answer May-2019 • 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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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 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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Explain BCS theory of superconductivity.Short Answer May-2019 • PTU B-TECH
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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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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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What is Laue equation for diffraction of X -rays by a crystalline solid? Show that the Bragg’s equation is a special case of Laue equation.Short Answer May-2019 • PTU B-TECH
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Dec 2023 What are X-rays? Discuss the diffraction of X-ray from crystals and obtain Bragg\\\'s law.
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May 2017 What is Bragg\'s law. Derive the Bragg ’s condition for x-ray diffraction. What are the limitations of Bragg\'s law? 5
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May 2017 What is Bragg\'s law. Derive the Bragg ’s condition for x-ray diffraction. What are the limitations of Bragg\'s law? 5
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May 2015 Derive Bragg’s law and discuss its applications in crystallography. (4,4)
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Dec 2015 What is Bragg’ s law and derive its expression for diffraction of x -rays? What are limitations of this law in determination of crystal structure? (4)
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May 2013 What is X-ray diffraction? Deduce Bragg’s Law for the diffraction of X-ray in a crystal. What are Bragg’s conditions for X-ray diffraction?
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May 2008 Derive the Bragg\'s equation for dififraction of X-Rays and discuss its\' application in X-Ray Crystallography.
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Dec 2005 Explain and deduce Bragg’s law in X-ray diffraction. Describe Bragg’s spectrometer and expl ain how it is used to determine the wave length of X-rays.
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For f cc iron obtain the diffraction angle for the (220) set of planes. The lattice parameter for Fe is 0.2866nm. The wavelength of X -ray is 0.1790nm. The order of diffraction is one.Short Answer May-2019 • PTU B-TECH
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Differentiate between three & four level laser systems.Short Answer May-2019 • PTU B-TECH
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Dec 2012 Differentiate between three level and four level lasers by taking suitable example(s).
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Discuss the construction and working of CO 2 laser giving its neat energy diagram and explaining its advantages and disadvantages over other lasers.Short Answer May-2019 • PTU B-TECH
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Define terms: Acceptance angle, Numerical aperture and normalized frequency.Short Answer May-2019 • PTU B-TECH
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Discuss different modes of propagation in fibres.Short Answer May-2019 • PTU B-TECH
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Derive Lorentz transformation equations.Short Answer May-2019 • PTU B-TECH
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May 2014 Derive Lorentz transformation equations. (5)
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May 2009 Derive the expression for Lorentz\'s Transformation equations.
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Show that x2 + y2 + z2 – c2 t2 is invariant under Lorentz transformation.Short Answer May-2019 • PTU B-TECH
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Explain the significance and normalization of wave function.Short Answer May-2019 • PTU B-TECH
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May 2018 Describe ‘Normalization of wave function’.
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May 2014 Explain the meaning of normalization of a wavefunction.
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Derive the expression of time -dependent Schrodinger wave equation for a given wave function.Short Answer May-2019 • 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 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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May 2012 State and derive time independent Schrodinger equation.
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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 are Carbon nanotubes? Discuss how various types of carbon nanotubes can be formed from graphene?Short Answer May-2019 • PTU B-TECH
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May 2024 What are Carbon nanotubes”? What are the different types of Carbon nanotubes? Discuss top-down method of synthesis of nano particles. ~*~ NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any paper of Answer Sheet will lead to UMC against the Student.
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Dec 2019 What do you mean by carbon nanotubes? Give two procedures for synthesis of carbon nanotubes.
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Discuss in short various techniques for the synthesis of nanoparticles. NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.Short Answer May-2019 • PTU B-TECH
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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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