Solved question paper for PHYSICS May-2010 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2010
PTU • B-TECH • Civil Engineering • 1st-2nd • May-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
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Select at least lbo questions from Section B & C.Short Answer May-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 2016 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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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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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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Which type of magnetic materials have permanent magnetic dipole moment associated to them?Short Answer May-2010 • PTU B-TECH
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May 2016 Which type of magnetic materials have permanent magnetic dipole moment associated to them?
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What is Bohr-magneton?Short Answer May-2010 • PTU B-TECH
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May 2016 What is Bohr-magneton?
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Which laser gives output radiation having frequency in the visible as well as IR region? .s, d) What does permittivity of a medium signifies. State its value fbr free space.Short Answer May-2010 • PTU B-TECH
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Why a three level laser normally provide a ptrlscd output? 0 What do you understand by "10 5dB/Km@850nm"?Short Answer May-2010 • PTU B-TECH
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I low you define proper length and proper time interval as per special theory of relativity?Short Answer May-2010 • PTU B-TECH
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May 2016 How you define proper length and proper time interval as per special theory of relativity?
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Why n:-0 state is nbt ailowed for particle confined to an infinite potential box?Short Answer May-2010 • PTU B-TECH
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May 2016 Why n = 0 state is not allowed for particle confined to an infinite potential box?
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What is ttrre physical significance attached to the conditions of continuity and single-valued nature of an acceptable wave function? t What is a Cooper pair? R-Sqy Pr,o. wlw.a$subjeett4y?urogrd Scction - B -"Short Answer May-2010 • PTU B-TECH
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State and explain the Ampere's law and express it in differential form. Further explain how Maxwell modified this law to accept this as one of the Maxwell equations.Short Answer May-2010 • PTU B-TECH
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Dec 2011 What is modified Ampere’s law? Discuss its significance in terms of Maxwell theory and obtain an expr ession for displacement current density.
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lhe electrostatic potential in a certain space is given by U:3x -+- 4y - 62. Calculate the corresponding electric field strength (E)Short Answer May-2010 • PTU B-TECH
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What are ferromagnetic domains? Explain their existence in terms of atomic dipole moments.Short Answer May-2010 • PTU B-TECH
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May 2024 What are ferromagnetic materials? Explain ferromagnetism using domain theory.
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May 2017 Give brief account of various phenomena involved i n formation of domains in ferromagnetic materials. (5)
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May 2014 Explain briefly the concept of a ferromagnetic domain.
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Dec 2011 What are the distinguishing ch aracteristics of ferromagnetism? Discuss the domain theory of ferromagnetism.
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May 2008 Discuss the domain theory of ferromagnetism.
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I-Iow you distinguish between hard and soft magnetic materials.Short Answer May-2010 • PTU B-TECH
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May 2012 Differentiate between soft and hard magnetic materials by taking suitable
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What do you mean by magnetostriction?Short Answer May-2010 • PTU B-TECH
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Dec 2015 What do you understand by magnetostriction? 2 | M-54016 (S1)-228
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Dec 2014 How do you understand by the phenomenon of diamagnetism?
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May 2012 What do you understand by magnetic anisotropy?
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May 2012 What do you understand by magneto-striction effect?
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Dec 2012 What do you understand by magnetostriction effect?
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Spccify three types of possible transitions betwcen two atomic energy levels and derive relations for the Einstein's coefficients.Short Answer May-2010 • PTU B-TECH
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May 2023 Discuss possible transitions between two energy levels of an atomic system and deduce the expressions for Einstein Coefficients.
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Calculate the ratio of transition rates of spontancous emission to the stimulated emission for light of wavelength 10-6m and cavity temperature T:100K and hence determine which type of emission will dominate? QS) (a) Describe construction of an optical fiber with help of diagram. Further, describe different factors responsible for loss of signal propagating through a fiber.Short Answer May-2010 • PTU B-TECH
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Calculate the numerical aperture, acceptance angle and the critical angle of a fiber having core and cladding refractive indices as 1.5 and 1.45, respectively.Short Answer May-2010 • PTU B-TECH
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Dec 2009 Calculate the numerical aperture, acceptance angle and the critical angel of a fiber having core refractive index 1.5 and the cladding refractive index 1.45.
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May 2005 What is numerical aperture? Calculate the numeri cal aperture and acceptance angle for an optical fiber, given that refractive index of core and cladding are 1.45 and 1.40 respectively.
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Dec 2004 What is total internal reflection? Calculate the numerical aperture and hence the acceptance angle for an optical fiber given than refractive index of the core and cladding are 1.45 and 1.40 respectively.
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State and explain postulates of special theory of relativity with help of example.Short Answer May-2010 • 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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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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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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Define time dilation and derive the expression relating thc time interval as observed in two inertial frames of references.Short Answer May-2010 • PTU B-TECH
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May 2017 Derive the expression for time dilation of a relativistically moving body. (5)
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May 2016 Define time dilation and derived the expression relating the time interval as observed in two inertial frames of references. (4)
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Irind total energy of an electron and a proton, both having momentum cqual to 2MeYlc. R-808 QZ) (a) What is Moseley's law? Discuss its significance.Short Answer May-2010 • PTU B-TECH
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Discuss origin of characteristic and continuous x-rays.Short Answer May-2010 • PTU B-TECH
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May 2017 Discuss the physical process of generation of x -rays. Further discuss the origin of characteristic and continuous x-rays. (4)
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Dec 2014 How are x -rays produced. Further discuss the origin of characteristic and continuous x -rays. M-54105 Page: 2
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The first maxima for Bragg's difkaction of x-rays from KCI crystal (d -' 0.314 nm) appears at 14". Calculate energy of the incident x-rays. QS) (a) Establish time dependent Scluodinger wave equation and further deducc time indcpcndent form of this equation.Short Answer May-2010 • PTU B-TECH
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What arc thc characteristics of a well behaved wave-function.Short Answer May-2010 • PTU B-TECH
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May 2017 List properties of a well behaved wave functions for a given system.
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May 2017 List properties of a well behaved wave functions for a given system.
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Dec 2014 What are the essential requisites for a well behaved wave functions for a given system?
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Find the probability that a particle trappod in a box of width L can be found between 0.451, and 0.55L for ground state. - Q9) (a) Discuss the important differences between type-I and typc-Il superconductors with help of example and plots of magnetization (M) Vs magnetic field (H).Short Answer May-2010 • PTU B-TECH
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What is Meissner effect? Further explain the effect of magnetic field on thc superconducting state.Short Answer May-2010 • PTU B-TECH
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Dec 2019 What is Meissner effect? Discuss the significance of this effect in context of superconductivity.
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Define London penetration depth and write its expression. [4Atvr"a#s,-r.hru.n*",.,. J J Jt -"lo,,ty?IJ , t4,, ,, R-808 3Short Answer May-2010 • 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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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.
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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.