Solved question paper for PHYSICS Dec-2008 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2008
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2008
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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Select at least Two questions from Section - B&C.Short Answer Dec-2008 • 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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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 2011 Select atleast Two 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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What is the cause of producing displacement current?Short Answer Dec-2008 • 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 2013 What do you mean by displacement current?
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May 2012 What do you mean by displacement current?
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What do you mean by the term 'Field penetration' in super conductors?Short Answer Dec-2008 • PTU B-TECH
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Dec 2019 What is meant by Critical temperature in context of superconductors?
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May 2012 What do you understand by thermodynamics of superconductors? Comment of present status.
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May 2011 What are the conditions for a material to be a superconductor?
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May 2005 What is the effect of magnetic field on superconductivity?
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What do you mean by coherence length, write down the expression for it?Short Answer Dec-2008 • PTU B-TECH
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Define photo-electric effect? ,Short Answer Dec-2008 • PTU B-TECH
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What are the outcomes of Michelson-Morley experiment? 0 Define bending losses in OFC's?Short Answer Dec-2008 • PTU B-TECH
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Define Holography?Short Answer Dec-2008 • PTU B-TECH
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May 2018 Describe the term ‘holography’.
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May 2016 Describe the term “holography”.
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Dec 2007 Define Holography.
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What do you rnean by Spatial and Temporal coherence? 0 Define the tenn Hysteresis? Draw the Hysteresis curves for soft iron and steel.Short Answer Dec-2008 • PTU B-TECH
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Derive the relation between dielectric constant and electric susceptibility? E-s24[12081 P.T.O.Short Answer Dec-2008 • PTU B-TECH
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May 2018 Explain the term ‘electric susceptibility’. How it is related to dielectric constant?
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May 2016 Explain the term electric susceptibility. How it is related to dielectric constant?
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Give the physical significance of Maxwell's equations.Short Answer Dec-2008 • PTU B-TECH
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May 2025 a. Write the Maxwell\\\'s equations and discuss the physical significance of each equation.
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Dec 2023 a) Write the Maxwell\\\'s equations and discuss the physical significance of each equation.
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May 2019 Derive all Maxwell’s equations in free space and explain their physical significance.
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May 2018 Write Maxwell’s four equations of electromagnetic theory and briefly interpret each of them. (4)
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May 2017 Write Maxwell\'s equations in integral form and attach physical significance to each of them.
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Dec 2017 Write Maxwell\'s four equations of electromagnetic theory and briefly interpret each of them.
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May 2016 Write Maxwell’s four equations of electromagnetic theory and briefly interpret each of them. (4)
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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 2005 Write maxwells equations. Explain the physic al significance of each equation.
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Calculate the expression for magnetic field inside a toroidal solenoid.Short Answer Dec-2008 • PTU B-TECH
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Explain the terms magnetostriction effect, hard magnetic materials, hysteresis loss.Short Answer Dec-2008 • PTU B-TECH
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Dec 2019 Explain the hysteresis curve shown by ferromagnetic materials on basis of domain theory.
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May 2011 Briefly describe the phenomenon ofmagnetic hysteresis and why it occurs for ferromagnetic and ferrimagnetic materials\'
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Explain the terms permeability and susceptibility and drive the relation between them.Short Answer Dec-2008 • PTU B-TECH
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Dec 2009 Explain the term permiuivity.
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Explain the construction, working and principle of Ruby Laser.Short Answer Dec-2008 • 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 2018 Describe the working of Ruby laser with proper energy level diagram. (5)
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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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Define Einstein coefficients for lasers and explain their significance. QS) a) The light gathering capacity of an optical fibre is 0.479.If relative corecladding index difference is 0.0005, calculate the refractive index of cladding, if outside medium is air.Short Answer Dec-2008 • PTU B-TECH
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What is splicing? Define its types. Explain optical couplers.Short Answer Dec-2008 • PTU B-TECH
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Derive Lorentz's transformation equations and apply thern to explainShort Answer Dec-2008 • PTU B-TECH
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Dec 2019 Write down the postulates of special theory of relativity. Derive Lorentz transformation equation.
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Dec 2005 Explain the postulates of theory of relativity and derive lorentz transformation equation.
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Length Contraction.Short Answer Dec-2008 • PTU B-TECH
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May 2005 Length contraction
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Time Dilation.Short Answer Dec-2008 • PTU B-TECH
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Show that the production of X-Rays is based on inverse photo-electric effect and differentiate between characteristic and continuous X-Rays.Short Answer Dec-2008 • PTU B-TECH
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Calculate the wavelength of Kuline for an atom having atomic number Z: g0. Given that Rydberg constant R : 1.I x 107 m I .Short Answer Dec-2008 • PTU B-TECH
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Give the significance of Cornpton Effect. Find expression for:Short Answer Dec-2008 • PTU B-TECH
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Compton Shift.Short Answer Dec-2008 • PTU B-TECH
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K.E. of recoil electron.Short Answer Dec-2008 • PTU B-TECH
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Define Levitation effect and explain the various factors that can destroy superconductivity.Short Answer Dec-2008 • PTU B-TECH
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Explain the BCS theory of superconductivity. 31 9x -91 E-524 2Short Answer Dec-2008 • PTU B-TECH
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May 2019 Explain BCS theory of superconductivity.
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May 2018 Give a quantitative explanation of BCS theory of superconductors. How does this theory explain major characteristics of superconductors? (4)
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May 2017 Give a brief account of BCS theory of superconductivity. (4)
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May 2016 Give a quantitative explanation of B CS theory of superconductors. H ow does this theory explain major characteristics of superconductors? (4)
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May 2015 Give a brief account of BCS theory of superconductivity. (5, 3)
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Dec 2014 Give a brie f account of occurrence of superconductivity using BCS theory.
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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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Answers about this subject, solved papers, and preparation.
01 Where can I find engineering physics previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists engineering physics question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year engineering physics papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does engineering physics usually cover?
The question papers here relate to the official engineering physics syllabus set by the university for this course and semester.
05 Does this page include a engineering physics with answers pdf or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.