Solved question paper for PHYSICS May-2018 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2018
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2018
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-2018 • 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 2017 SECTION - B & C. have FOUR questions each.
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May 2017 SECTION - B & C. have FOUR questions each.
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May 2016 SECTION -B & C. have FOUR questions each.
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May 2016 SECTION - B & C have FOUR questions each.
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Dec 2016 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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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 each SECTION - B & C. M-54016 Page 1 of 2Short Answer May-2018 • 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 SECTION - B & C. M-54105 Page 1 of 2
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Dec 2018 Select atleast TWO questions from SECTION - B & C.
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May 2017 Select atleast TWO questions from SECTION - B & C.
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May 2017 Select atleast TWO questions from SECTION - B & C.
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May 2017 Select atleast TWO questions from SECTION - B & C.
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May 2016 Select atleast TWO questions from SECTION -B & C.
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May 2016 Select atleast TWO questions from SECTION - B & C.
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Dec 2016 Select at least TWO questions from SECTION - B & C.
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Dec 2016 Select at least TWO questions from SECTION - B & C.
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May 2015 Select atleast TWO questions from SECTION - B & C.
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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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Dec 2012 Select atleast TWO questions from SECTION - B & C.
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May 2011 Select at least Two questions from Section - B & C
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Dec 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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May 2009 Select atleast 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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State Gauss’s law in electrostatics.Short Answer May-2018 • PTU B-TECH
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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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May 2013 State and Prove Gauss’s law in electrostatics. (5,3)
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Explain the term ‘electric susceptibility’. How it is related to dielectric constant?Short Answer May-2018 • PTU B-TECH
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May 2016 Explain the term electric susceptibility. How it is related to dielectric constant?
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Dec 2008 Derive the relation between dielectric constant and electric susceptibility? E-s24[12081 P.T.O.
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Define the term ‘magnetostriction’.Short Answer May-2018 • PTU B-TECH
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May 2018 Define the term ‘ferrimagnetism’.
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Dec 2017 Define the term \'magnetostriction\'.
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Dec 2017 Define the term ferromagnetism\'.
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May 2016 Define the term “magnetic anisotropy”.
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May 2016 Define the term “Ferrimagnetism”.
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May 2011 EXplain the term following terms : (i) magnetic anisotropy,
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Define the term ‘ferrimagnetism’.Short Answer May-2018 • PTU B-TECH
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May 2018 Define the term ‘magnetostriction’.
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Dec 2017 Define the term \'magnetostriction\'.
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Dec 2017 Define the term ferromagnetism\'.
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May 2016 Define the term “magnetic anisotropy”.
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May 2016 Define the term “Ferrimagnetism”.
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May 2011 EXplain the term following terms : (i) magnetic anisotropy,
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Define the term ‘optical pumping’.Short Answer May-2018 • PTU B-TECH
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May 2018 What do you mean by optical pumping?
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Dec 2017 Define the term \'optical pumping\'.
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Describe the term ‘holography’.Short Answer May-2018 • PTU B-TECH
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May 2016 Describe the term “holography”.
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Dec 2008 Define Holography?
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Dec 2007 Define Holography.
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Write the postulates of special theory of relativity.Short Answer May-2018 • PTU B-TECH
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Dec 2020 Write Einstein ’ s two 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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May 2013 What are postulates of 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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Why only x-rays are used for the crystal structure studies?Short Answer May-2018 • PTU B-TECH
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Dec 2019 Why X-rays are suitable for studying crystal diffraction?
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May 2016 Why only x-rays are used for the crystal structure studies?
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May 2014 Why are X-rays used for crystal structure analysis?
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Describe ‘Normalization of wave function’.Short Answer May-2018 • PTU B-TECH
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May 2019 Explain the significance and normalization of wave function.
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May 2014 Explain the meaning of normalization of a wavefunction.
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What do you mean by London penetration depth? M-54016 Page 2 of 2Short Answer May-2018 • PTU B-TECH
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Write Maxwell’s four equations of electromagnetic theory and briefly interpret each of them. (4)Short Answer May-2018 • 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 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 do you mean by dielectric and dielectric polarization? Define D, E and P and establish relation between them. (4)Short Answer May-2018 • PTU B-TECH
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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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May 2013 What is meant by dielectric polarization? Define the electric field vectors E, D and P. Show how they are related for an isotropic dielectric?
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What is meant by ‘hysteresis’? Explain hysteresis loss. How would you use hysteresis curve to select materials for the construction of permanent magnets? (5)Short Answer May-2018 • PTU B-TECH
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May 2016 What is meant by “hysteresis”? Explain hysteresis loss. How would you use hysteresis curve to select materials for the construction of permanent magnets? (5)
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Explain the difference between ferromagnetism and antiferromagnetism. (3)Short Answer May-2018 • PTU B-TECH
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Dec 2023 1(a) Explain Ferro and Ferri magnetism.
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May 2016 Explain the difference between ferromagnetism and antiferromagnetism. (3)
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Dec 2016 Differentiate between ferromagnetic and ferrimagnetic materials.
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Describe Einstein’s coefficients and the significance of relation between them. (3)Short Answer May-2018 • 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 2013 What are Einstein’s coefficients? Derive relation between them.
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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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Describe the working of Ruby laser with proper energy level diagram. (5)Short Answer May-2018 • PTU B-TECH
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May 2025 Explain the construction and working of Ruby laser with the help of energy level diagram. Explain why it is pulsed laser?
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Dec 2023 b) Discuss the construction, working and energy level diagram of Ruby laser.
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May 2015 Discuss the construction and working of a ruby laser.
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Dec 2014 Discuss the construction and working of a ruby laser.
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Dec 2009 Explain the working, construction and energy level diagram for Ruby laser.
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Dec 2008 Explain the construction, working and principle of Ruby Laser.
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Derive the expression for numerical aperture of an optical fibre. Discuss the relation between numerical aperture and acceptance angle. (4)Short Answer May-2018 • PTU B-TECH
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Dec 2023 Write briefly:\r\nf) Define acceptance angle and numerical aperture in optical fibers.
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Dec 2017 Derive the expression for numerical aperture of an optical fiber. Discuss the relation numerical aperture and acceptance angle
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May 2016 Derive the expression for numerical aperture of an optical fibre. Discuss the relation numerical aperture and acceptance angle. (4)
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Dec 2007 Define Acceptance angle and Numerical aperture in optical fibre.
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Describe the principle of graded index fiber and its advantages. (4)Short Answer May-2018 • PTU B-TECH
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A rocket is chasing enemy’s space ship. An observer on the earth observes the speed of rocket to be 2.5 x108 m/s and that of space ship 2 x108 m/s. Calculate (i) the velocity of enemy’s ship as seen by rocket. (ii) The velocity of rocket as seen by enemy’s ship. (4)Short Answer May-2018 • PTU B-TECH
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May 2016 A rocket is chasing enemy ’s space ship. An observer on the earth observes the speed of rocket to be 2.5 × 108 m/s and hat of space ship 2 × 108 m/s. Calculate :
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Derive the relativistic relation for variation of mass with velocity. (4)Short Answer May-2018 • PTU B-TECH
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Dec 2023 How does mass vary with relativistic velocity? Develop its relation.
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May 2017 Derive the expression for variation of mass of a relativistic body with velocity. 5
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May 2017 Derive the expression for variation of mass of a relativistic body with velocity. 5
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Dec 2017 Derive the relativistic relation for variation of mass with velocity.
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May 2015 Derive the expression for variation of mass with velocity for a relativistic particle.
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Describe Mosley’s law and its significance. (3)Short Answer May-2018 • PTU B-TECH
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May 2016 Describe Mosley\'s law and its significance. (3)
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What do you mean by X-ray spectra? Describe the production of continuous x-ray’s. (5)Short Answer May-2018 • PTU B-TECH
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Dec 2017 What do you mean by X-ray spectra? Describe the production of characteristic x-rays.
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May 2016 What do you mean by X-ray spectra? Describe the production of characteristic x-rays. (5)
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Derive the expression for time dependent Schrodinger’s equation. (4)Short Answer May-2018 • 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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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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Write down Schrodinger’s wave equation for harmonic oscillator. Solve it to obtain eigen functions and show that the eigen functions are discrete. (4)Short Answer May-2018 • PTU B-TECH
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Dec 2017 Write down Schrodinger\'s wave equation for a particle in a box. Solve it to obtain eigen functions and show that the eigen functions are discrete.
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May 2016 Write down Schrodinger’s wave equation for a particle in a box. Solve it to obtain Eigen functions and show that the Eigen functions are discrete. (4)
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Give a quantitative explanation of BCS theory of superconductors. How does this theory explain major characteristics of superconductors? (4)Short Answer May-2018 • PTU B-TECH
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May 2019 Explain BCS theory of superconductivity.
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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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Derive the London equations for superconductors and discuss how they explain Meissner effect. (4)Short Answer May-2018 • PTU B-TECH
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Dec 2023 b) Derive the London equations for superconductivity.
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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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May 2013 Derive London equation and discuss how they explain Meissner effect and flux penetration.
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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.
05 Does this page include a engineering physics with answers pdf or solved answers?
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06 Can I find papers for other subjects in the same Bachelor of Technology?
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