Solved question paper for PHYSICS May-2011 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2011
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2011
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 & CShort Answer May-2011 • 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 2018 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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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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The speed of storing and reading out information from a computer core is less than a microsecond. Why it is necessary to use ferrite for this . application?Short Answer May-2011 • PTU B-TECH
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Define spontaneous and stimulated emission.Short Answer May-2011 • PTU B-TECH
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Dec 2017 What is meant by stimulated emission?
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Dec 2016 What do you mean by stimulated emission?
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May 2012 What is spontaneous emission?
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Dec 2011 Explain the meaning of stimulated emission.
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Dec 2004 What is difference between stimulated and spontaneous emission?
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Explain the term mode related to optical fibre. ' d) Write the Maxwell equations in differential form.Short Answer May-2011 • PTU B-TECH
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Dose photon have mass? If no, then how photons have momenhrm? 0 What is the significance of Bragg's law?Short Answer May-2011 • PTU B-TECH
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What is the significance of wave function?Short Answer May-2011 • PTU B-TECH
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Dec 2010 What is Bornls probability interpretation of wave-function?
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Dec 2005 What is the physical significance of a wave function?
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What are the conditions for a material to be a superconductor?Short Answer May-2011 • 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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Dec 2008 What do you mean by the term \'Field penetration\' in super conductors?
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May 2005 What is the effect of magnetic field on superconductivity?
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How does x-rays differ from gamma rays?Short Answer May-2011 • PTU B-TECH
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What is the importance of uncertainty principle? R-541 P.T,O.Short Answer May-2011 • PTU B-TECH
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Dec 2017 Describe \'Uncertainty principle\'.
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May 2016 State and explain the uncertainty principle. (2)
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Dec 2005 Explain briefly uncertainty principle.
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Dec 2004 What is Uncertainty principle?
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Write down maxwell equations and explain their significance.Short Answer May-2011 • 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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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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A solenoid is 1 m long and 3 cm in diameter. It has five layers of windings of 850 turns each and carries a current of 5 A. What is B at its centre.Short Answer May-2011 • PTU B-TECH
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EXplain the term following terms : (i) magnetic anisotropy,Short Answer May-2011 • PTU B-TECH
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May 2018 Define the term ‘magnetostriction’.
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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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magnetostriction, (iii) rnagnetic domains.Short Answer May-2011 • PTU B-TECH
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What are ferrite materials? Give some of its useful applications.Short Answer May-2011 • PTU B-TECH
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Dec 2017 What do you understand by ferrites? Discuss their main applications.
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Dec 2017 Explain the term ‘ferrites’ Discuss various applications of ferrites.
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May 2015 Write a short note on ferrites and their applications.
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Dec 2015 What are ferrite materials? Discuss their atomic origin and give certain applications of ferrites. (4)
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Dec 2009 Mention some applications ofFerrite.materials.
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May 2008 What are ferrites? Give their applications. R - sey [20ss] P.TO.
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May 2005 Give some applications of ferrites.
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Dec 2005 What are ferrites?
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Differentiate between three level and four level lasers. Give the construction and working of He-Ne laser.Short Answer May-2011 • 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 2017 Discuss the construction and working of a He-Ne laser. (5)
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May 2014 Describe the construction and working of a 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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What is holography?Short Answer May-2011 • PTU B-TECH
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May 2018 State the working principle of holography
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May 2013 What is the fundamental principle of a hologram?
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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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A fibre is made withcore of refractive index 1.5 and the claddingis doped to give a refractive index difference of a 0.0005. Find (i) the . cladding refractive index, (ii) the critical angle, (iii) acceptance angle andShort Answer May-2011 • PTU B-TECH
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numerical aperture.Short Answer May-2011 • PTU B-TECH
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Dec 2011 Numerical aperture
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Describe the role of fiber connectors, splicers and couplers in communication through optical fibers.Short Answer May-2011 • PTU B-TECH
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Calculate the mass and velocity of an electron having a total energy of 2MeV.Short Answer May-2011 • PTU B-TECH
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State the fundamentalpostulates ofspecial theory ofrelativity and hence deduce the lorentz ffansformationShort Answer May-2011 • PTU B-TECH
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What thickness of lead will attenuate a beam of 0.4 MeV x-rays by a factor of 2? Given : F= 2.3/cm.Short Answer May-2011 • PTU B-TECH
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Why x-rays are preferred for crystal structure determination? Derive an expression for Bragg's law. How Bragg's law is used in crystallography? . 881 a) Derive an expression for the time dependent schrodinger waVe equation.Short Answer May-2011 • PTU B-TECH
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What is the energy of gamma ray having a wavelength of I RShort Answer May-2011 • PTU B-TECH
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Explain BCS theory of superconductivity.Short Answer May-2011 • 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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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 are London equations? Find the expression for the penetration depth of a superconductor. Dtltr R-541 2Short Answer May-2011 • PTU B-TECH
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May 2011 What are London equations? Find the expression for the penetration dePth of a suPerconductor\' Q4) 0lll 2R-1268
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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?
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06 Can I find papers for other subjects in the same Bachelor of Technology?
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