Solved question paper for PHYSICS Dec-2010 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2010
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2010
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
Solved-
Tech. (Sem. ' Lstlznd) ENGINEERING PHYSICS SUB.TECT CODE : PH - 10L (2k4 & Onwards) Paper ID : [A0113] [Note : Pleasc fill subject code and paper ID on OMR] Instruction to'Candidates:Short Answer Dec-2010 • PTU B-TECH
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Dec 2017 Tech. (Sem.1, 2) ENGINEERING PHYSICS Subject Code : BTPH 101 Paper ID : A1102
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Dec 2017 Tech. (Sem. 1, 2) ENGG. PHYSICS Subject Code: PH-101 Paper ID: A0122
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Dec 2014 Tech (Sem.-1st & 2nd) ENGINEERING PHYSICS Subject Code: PH-101 Paper ID: [A0122] INSTRUCTIONS TO CANDIDATE:
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Selecting at least Two questions from Section - B & c.Short Answer Dec-2010 • 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 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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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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What is the differential form of Gauss's law?Short Answer Dec-2010 • PTU B-TECH
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What do you mean by ferromagnetic domain?Short Answer Dec-2010 • PTU B-TECH
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What is the fundamental principle of a hologram?Short Answer Dec-2010 • 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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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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May 2005 What is holography?
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Dec 2005 What is holography?
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What do you understand by Single mode and Multimode fibre?Short Answer Dec-2010 • PTU B-TECH
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May 2013 What is meant by modes? Compare a single mode and multimode fibre. (4,4)
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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. 0 Two photons approach each other, what is their relative velocity.Short Answer Dec-2010 • PTU B-TECH
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May 2013 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.
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An X-ray tube is operated at25 kV. Find the minimum wavelength of X-rays ernitted from it.Short Answer Dec-2010 • PTU B-TECH
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What is de-Broglie hYPothesis?Short Answer Dec-2010 • PTU B-TECH
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May 2013 What is de-Broglie hypothesis?
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What is ComPton effect? ^r,.rr ^tt-[' li'i'l : '--Short Answer Dec-2010 • PTU B-TECH
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What is Meissner effect? ...r,$.Fd," sNNlPi'" J-762 nr.o. *.rrlw a',,reubiects4:iou'c'c$ section - BShort Answer Dec-2010 • PTU B-TECH
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Write down Maxwell's equations and explain their physical significance.Short Answer Dec-2010 • 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 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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Show that the velocity of plane electromagnetic wave in free space is Q3) 1given by . ---- .J tlo €s What are ferrities? How are they superior to ferromagnetic materials? Write a short note on magnetostriction. Define magnetic susceptibility & relative magnetic permeability and establish the relationship between them. Discuss with suitable diagrams the principle, construction and working of Hetium-Neon Laser. Explain the role of Helium atoms in this laser. How is it superior to a Ruby-laser? What are the differences between the terms spontaneous and stimulated emission? Qa) @) QS) (a) Explain the difference between a step-index fibre and graded index fibre.Short Answer Dec-2010 • PTU B-TECH
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What is meant by acceptance angle for an optical fibre? Show how it is related to numerical aperture.Short Answer Dec-2010 • PTU B-TECH
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May 2015 What is acceptance angle of an optical fiber?
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Dec 2015 What is acceptance angle of an optical fiber?
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J-762 -.,r coli 2 rnN.lt.arteuP''Bpi"l)r"'' www' allsuLriecl"s4';c!:i l': *!'1Short Answer Dec-2010 • PTU B-TECH
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What is Moseley's law? How can it be explained on the basis of Bolu''s theory? What is its importance?Short Answer Dec-2010 • PTU B-TECH
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How will it affect the cut off wavelength of X-rays if the separation between the cathode and tarset is doubled?Short Answer Dec-2010 • PTU B-TECH
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What is Bornls probability interpretation of wave-function?Short Answer Dec-2010 • PTU B-TECH
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May 2011 What is the significance of wave function?
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Dec 2005 What is the physical significance of a wave function?
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What is the difference between phase and group velocities? Show that the de Broglie group velocity associated with the wave packet is equal to the velocity of the particle.Short Answer Dec-2010 • PTU B-TECH
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May 2015 What is the matter wave associated with moving particle ? Derive expression for phase and group velocities of such a wave packet.
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Dec 2011 What is the difference betw een phase and group ve locities? Show that the wave group associated with a particle moves with the velocity of the
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Explain the deference between the Type I and Type II superconductors. ' (b) Give the salient features of BCS theory of superconductors.Short Answer Dec-2010 • 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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May 2019 What are Type I and 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 2005 What do you understand by type I and type II superconductors? Give the BCS theory of superconductivity.
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Superconductors ate a perfect diamagnet. Explain. .:.*** . --ie4r;'' ^rt",rjhi"'''"' f.I'lN'u"-' J-762 3Short Answer Dec-2010 • PTU B-TECH
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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.