Solved question paper for PHYSICS May-2013 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2013
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2013
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-2013 • PTU B-TECH
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May 2024 SECTION-B &C have FOUR questions each.
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May 2019 SECTION - B & C have FOUR questions each.
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May 2018 SECTION - B & C have FOUR questions each.
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May 2015 SECTION - B & C. have FOUR questions each.
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Dec 2015 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-2013 • 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 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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Dec 2011 Select atleast 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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Answer briefly :Short Answer May-2013 • PTU B-TECH
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What do you mean by displacement current?Short Answer May-2013 • PTU B-TECH
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Dec 2017 What do you understand by displacement current . Suggest a method to calculate it.
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May 2015 What is the origin of displacement current?
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Dec 2015 What are the conduction and displacement currents?
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May 2012 What do you mean by displacement current?
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Dec 2008 What is the cause of producing displacement current?
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Define retentivity and coercivity.Short Answer May-2013 • PTU B-TECH
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Dec 2012 Define remanence and coercivity.
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What is the fundamental principle of a hologram?Short Answer May-2013 • PTU B-TECH
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May 2018 State the working principle of holography
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May 2011 What is holography?
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Dec 2011 What is a hologram? How is it produced and how is the image reconstructed from it?
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Dec 2010 What is the fundamental principle of a hologram?
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May 2005 What is holography?
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Dec 2005 What is holography?
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What do you mean by index profile of a fibre?Short Answer May-2013 • PTU B-TECH
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What are postulates of special theory of relativity?Short Answer May-2013 • PTU B-TECH
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Dec 2020 Write Einstein ’ s two postulates of special theory of relativity.
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May 2018 Write the postulates of special theory of relativity.
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May 2017 Give basic postulates of special theory of relativity.
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May 2017 Give basic postulates of special theory of relativity.
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Dec 2017 Write the Einstein\'s postulates of special theory of relativity.
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May 2015 What were the postulates of special theory of relativity?
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May 2014 State the postulates of the Special Theory of Relativity.
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Dec 2011 Give Einstein postulates of special theory of relativity.
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May 2010 State and explain postulates of special theory of relativity with help of example.
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Dec 2009 Explain various postulates of Special theory ofRelativity.
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Dec 2007 Write the postulates of Einstein special theory of relativity.
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May 2005 State Einstein’s postulates of special theory of relativity.
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Dec 2004 State Einstein’s postulates of special theory of relativity.
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An electron (m o = 0.511 MeV/c 2) have momentum of 2 MeV/c. Find its total energy in terms of MeV .Short Answer May-2013 • PTU B-TECH
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An X-ray tube operates at 13.6 kV. Find the maximum speed of electron striking the target.Short Answer May-2013 • PTU B-TECH
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Dec 2005 An x-ray tube works at 18 kv. Find the maximum speed of electron striking the anti-cathode.
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What is de-Broglie hypothesis?Short Answer May-2013 • PTU B-TECH
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Dec 2010 What is de-Broglie hYPothesis?
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What is the difference between phase and group velocities?Short Answer May-2013 • PTU B-TECH
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What is isotopic effect in superconductors? 1- 1441 [N- ]1- 1441Short Answer May-2013 • PTU B-TECH
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May 2014 What is isotopic effect in superconductors?
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What is meant by dielectric polarization? Define the electric field vectors E, D and P. Show how they are related for an isotropic dielectric?Short Answer May-2013 • PTU B-TECH
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May 2018 What do you mean by dielectric and dielectric polarization? Define D, E and P and establish relation between them. (4)
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Dec 2017 What do you mean by dielectric and dielectric polarization? Define D, E and P and establish relation between them.
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May 2016 What do you mean by dielectric and dielectric polarization? Define D, E and P and establish relation between them. (4)
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State and Prove Gauss’s law in electrostatics. (5,3)Short Answer May-2013 • PTU B-TECH
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May 2018 State Gauss’s law in electrostatics.
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Dec 2017 State Gauss\'s law in electrostatics.
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May 2016 State Gauss’s law in electrostatics.
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May 2016 State and prove Gauss’s law and express it in the differential form. (4)
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Explain magnetic flux density B. magnetic flux intensity H. and magnetization M. How are they related to each other?Short Answer May-2013 • PTU B-TECH
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What is magnetic anisotropy? How anisotropy can be induced by magnetic annealing? (4,4)Short Answer May-2013 • PTU B-TECH
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What are Einstein’s coefficients? Derive relation between them.Short Answer May-2013 • PTU B-TECH
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Dec 2023 What are Einstein\\\'s coefficients? Derive the relation between Einstein\\\'s coefficients and discuss the physical interpretation.
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May 2018 Describe Einstein’s coefficients and the significance of relation between them. (3)
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Dec 2011 What are Einstein\'s coefficients? Explain their meaning and derive the relation between them. J - 1214 2
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Dec 2007 Write the physical significance of Einstein Coefficients.
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Dec 2005 What are Einstein’s coefficients? How are these co-related?
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Draw a neat diagram of He-Ne laser and describe the method of its working. (4,4)Short Answer May-2013 • PTU B-TECH
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Explain the difference between a step-index fibre and graded index fibre.Short Answer May-2013 • PTU B-TECH
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Dec 2011 Bring out the differences betwee n step-index and graded-index fibers.
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Dec 2007 Differentiate between Step-index and Graded-index fibre.
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What is meant by modes? Compare a single mode and multimode fibre. (4,4)Short Answer May-2013 • PTU B-TECH
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Dec 2010 What do you understand by Single mode and Multimode fibre?
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Dec 2005 Explain the difference between single mode and multi mode transmission in their fiber optics.
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A stationary body explodes into two fragment each of rest mass 1 Kg that move apart at speeds of 0.6c relative to the original body. Find the mass of the original body.Short Answer May-2013 • PTU B-TECH
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Dec 2010 A stationary body explodes into two fragment each of rest mass 1 Kg \\- that move apart at speeds of 0.6c relative to the original body. Find the mass of the original bodY. 0 Two photons approach each other, what is their relative velocity.
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Calculate the percentage contraction of a rod moving with a velocity 0.8c in a direction inclined at 60° to its own length. (3,5)Short Answer May-2013 • PTU B-TECH
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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?Short Answer May-2013 • 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 2019 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.
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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 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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Distinguish between continuous X-rays spectrum and characteristic X-rays spectrum. (5,3)Short Answer May-2013 • PTU B-TECH
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Derive time-dependent Schrodinger wave equation. Give a physical interpretation of the wave function.Short Answer May-2013 • 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 2019 Derive the expression of time -dependent Schrodinger wave equation for a given wave function.
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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 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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An electron is bound in one dimensional box size 4 × 10 –10 m. What will be the minimum energy? (6,2)Short Answer May-2013 • PTU B-TECH
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Derive London equation and discuss how they explain Meissner effect and flux penetration.Short Answer May-2013 • PTU B-TECH
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Dec 2023 b) Derive the London equations for superconductivity.
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May 2018 Derive the London equations for superconductors and discuss how they explain Meissner effect. (4)
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May 2014 Derive the London equations and discuss how they explain the Meissner effect and flux penetration in a superconductor.
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What do you mean by critical field in superconductivity? (6,2)Short Answer May-2013 • 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?
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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