Solved question paper for PHYSICS Dec-2015 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2015
PTU • B-TECH • Civil Engineering • 1st-2nd • Dec-2015
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-
SECTION - B & C. have FOUR questions each.Short Answer Dec-2015 • PTU B-TECH
-
May 2024 SECTION-B &C have FOUR questions each.
-
May 2019 SECTION - B & C have FOUR questions each.
-
May 2018 SECTION - B & C have FOUR questions each.
-
May 2018 SECTION - B & C have FOUR questions each.
-
Dec 2018 SECTION - B & C. have FOUR questions each.
-
May 2017 SECTION - B & C. have FOUR questions each.
-
May 2017 SECTION - B & C. have FOUR questions each.
-
May 2017 SECTION - B & C. have FOUR questions each.
-
May 2016 SECTION -B & C. have FOUR questions each.
-
May 2016 SECTION - B & C have FOUR questions each.
-
Dec 2016 SECTION - B & C. have FOUR questions each.
-
Dec 2016 SECTION - B & C. have FOUR questions each.
-
May 2015 SECTION - B & C. have FOUR questions each.
-
May 2015 SECTION - B & C. have FOUR questions each.
-
May 2013 SECTION - B & C. have FOUR questions each.
-
May 2013 SECTION - B & C have FOUR questions each.
-
Dec 2012 SECTION - B & C. have FOUR questions each.
-
-
Select ATLEAST TWO questions from SECTION - B & C.Short Answer Dec-2015 • PTU B-TECH
-
May 2024 Select atleast TWO questions from SECTION -B & C.
-
May 2019 Select atleast TWO questions from SECTION - B & C.
-
May 2018 Select at least TWO questions from each SECTION - B & C. M-54016 Page 1 of 2
-
May 2018 Select at least TWO questions from SECTION - B & C. M-54105 Page 1 of 2
-
Dec 2018 Select atleast TWO questions from SECTION - B & C.
-
May 2017 Select atleast TWO questions from SECTION - B & C.
-
May 2017 Select atleast TWO questions from SECTION - B & C.
-
May 2017 Select atleast TWO questions from SECTION - B & C.
-
May 2016 Select atleast TWO questions from SECTION -B & C.
-
May 2016 Select atleast TWO questions from SECTION - B & C.
-
Dec 2016 Select at least TWO questions from SECTION - B & C.
-
Dec 2016 Select at least TWO questions from SECTION - B & C.
-
May 2015 Select atleast TWO questions from SECTION - B & C.
-
May 2015 Select atleast TWO questions from SECTION - B & C.
-
May 2014 Select at least Two questions from each ofthe Sections B & C. Section —A
-
May 2013 Select atleast TWO questions from SECTION - B & C.
-
May 2013 Select atleast TWO questions from SECTION - B & C.
-
May 2012 Selecting at least TWO questions from SECTION -B & C each .
-
Dec 2012 Select atleast TWO questions from SECTION - B & C.
-
May 2011 Select at least Two questions from Section - B & C
-
Dec 2011 Select at least Two questions from Section - B & C.
-
Dec 2011 Select atleast Two questions from Section – B & C.
-
May 2010 Select at least lbo questions from Section B & C.
-
Dec 2010 Selecting at least Two questions from Section - B & c.
-
May 2009 Select atleast Two questions from Section - B & C. ,
-
Dec 2009 Select atleast TWo questions from Section - B & C.
-
May 2008 Select atleast TWo questions from Section - B and C.
-
Dec 2008 Select at least Two questions from Section - B&C.
-
-
Write briefly :Short Answer Dec-2015 • PTU B-TECH
-
May 2024 Write short notes on:
-
May 2019 Write briefly :
-
May 2017 Write briefly :
-
May 2017 Write briefly :
-
May 2017 Write briefly :
-
May 2016 Write briefly :
-
May 2016 Write briefly :
-
Dec 2016 Write briefly :
-
Dec 2016 Write briefly :
-
May 2015 Write briefly :
-
May 2015 Write briefly :
-
May 2013 Write short notes on :
-
May 2012 Write short notes on :
-
Dec 2012 Write briefly :
-
-
Why no Compton effect can be observed with radiowaves?Short Answer Dec-2015 • PTU B-TECH
-
May 2015 Why no Compton effect is observed with visible light?
-
-
What are the conduction and displacement currents?Short Answer Dec-2015 • PTU B-TECH
-
Dec 2017 What do you understand by displacement current . Suggest a method to calculate it.
-
May 2015 What is the origin of displacement current?
-
May 2013 What do you mean by displacement current?
-
May 2012 What do you mean by displacement current?
-
Dec 2008 What is the cause of producing displacement current?
-
-
What is Isotope effect?Short Answer Dec-2015 • PTU B-TECH
-
Dec 2016 What is Isotope effect?
-
May 2015 What is isotope effect?
-
-
What is the physical phenomenon underlying the generation of x-rays?Short Answer Dec-2015 • PTU B-TECH
-
May 2017 How are the characteristics x-rays produced?
-
May 2015 What are the origins of characteristic and continuous x-rays?
-
Dec 2005 What is the origin of X-rays? Explain.
-
-
What is stimulation emission and give the factors on which its rate depends?Short Answer Dec-2015 • PTU B-TECH
-
What is acceptance angle of an optical fiber?Short Answer Dec-2015 • PTU B-TECH
-
May 2015 What is acceptance angle of an optical fiber?
-
Dec 2010 What is meant by acceptance angle for an optical fibre? Show how it is related to numerical aperture.
-
-
What do you understand by simultaneity of an event in the special theory of relativity?Short Answer Dec-2015 • PTU B-TECH
-
Dec 2019 What is meant by the relativity of simultaneity?
-
Dec 2017 What do you understand by simultaneity in relativity.
-
May 2014 What do you mean by relativity of simultaneity? Explain it with help of an example. (4) a?
-
May 2012 What do you mean by simultaneity in relativity? (5,3)
-
-
There exists no rest frame for a photon. Why?Short Answer Dec-2015 • PTU B-TECH
-
Using time-energy uncertainty principle show that no excited state in any atom can be mono-energetic in nature.Short Answer Dec-2015 • PTU B-TECH
-
May 2015 Using energy-time uncertainty principle, show that no exc ited state in atom can be mono-energetic in nature.
-
-
What do you understand by magnetostriction? 2 | M-54016 (S1)-228Short Answer Dec-2015 • PTU B-TECH
-
Dec 2014 How do you understand by the phenomenon of diamagnetism?
-
May 2012 What do you understand by magnetic anisotropy?
-
May 2012 What do you understand by magneto-striction effect?
-
Dec 2012 What do you understand by magnetostriction effect?
-
May 2010 What do you mean by magnetostriction?
-
-
Applying Maxwell’ s equations, obtain the continuity conditions for electric and magnetic fields at the interface of two media. (4)Short Answer Dec-2015 • PTU B-TECH
-
Derive the equation of electromagnetic waves propagating in the conducting medium. (4)Short Answer Dec-2015 • PTU B-TECH
-
Discuss the origin of diamagnetism on the basis of atomic structure. (4)Short Answer Dec-2015 • PTU B-TECH
-
What are ferrite materials? Discuss their atomic origin and give certain applications of ferrites. (4)Short Answer Dec-2015 • PTU B-TECH
-
Dec 2017 What do you understand by ferrites? Discuss their main applications.
-
Dec 2017 Explain the term ‘ferrites’ Discuss various applications of ferrites.
-
May 2015 Write a short note on ferrites and their applications.
-
May 2011 What are ferrite materials? Give some of its useful applications.
-
Dec 2009 Mention some applications ofFerrite.materials.
-
May 2008 What are ferrites? Give their applications. R - sey [20ss] P.TO.
-
May 2005 Give some applications of ferrites.
-
Dec 2005 What are ferrites?
-
-
Discuss the principle and working of CO2 laser. (5)Short Answer Dec-2015 • PTU B-TECH
-
Dec 2018 Discuss working principle of CO2 Laser. (3)
-
-
Why is the output of ruby laser spiked? Give the wavelength of output radiation. (3)Short Answer Dec-2015 • PTU B-TECH
-
Dec 2014 Why do we observe spiked output of ruby laser?
-
-
Discuss various attenuations and losses of signal in optical fibers. (5)Short Answer Dec-2015 • PTU B-TECH
-
May 2015 What are various signal attenuation and losses in an optical fiber?
-
-
Discuss some applications of optical fibers used as sensors. (3)Short Answer Dec-2015 • PTU B-TECH
-
Show that the quantity E2-p2c2 is a Lorentz invariant for a relativistic particle. (6)Short Answer Dec-2015 • PTU B-TECH
-
Why was concept of ether introduced and what properties were assigned to it? (2) 7 a) Discuss various processes through which x -rays suffer attenuation in its intensity while propagating through a medium. (4)Short Answer Dec-2015 • PTU B-TECH
-
What is Bragg’ s law and derive its expression for diffraction of x -rays? What are limitations of this law in determination of crystal structure? (4)Short Answer Dec-2015 • PTU B-TECH
-
Dec 2023 What are X-rays? Discuss the diffraction of X-ray from crystals and obtain Bragg\\\'s law.
-
May 2019 What is Laue equation for diffraction of X -rays by a crystalline solid? Show that the Bragg’s equation is a special case of Laue equation.
-
May 2017 What is Bragg\'s law. Derive the Bragg ’s condition for x-ray diffraction. What are the limitations of Bragg\'s law? 5
-
May 2017 What is Bragg\'s law. Derive the Bragg ’s condition for x-ray diffraction. What are the limitations of Bragg\'s law? 5
-
May 2015 Derive Bragg’s law and discuss its applications in crystallography. (4,4)
-
May 2013 What is X-ray diffraction? Deduce Bragg’s Law for the diffraction of X-ray in a crystal. What are Bragg’s conditions for X-ray diffraction?
-
May 2008 Derive the Bragg\'s equation for dififraction of X-Rays and discuss its\' application in X-Ray Crystallography.
-
Dec 2005 Explain and deduce Bragg’s law in X-ray diffraction. Describe Bragg’s spectrometer and expl ain how it is used to determine the wave length of X-rays.
-
-
Discuss using Heisenberg’ s uncertain ty principle that electrons can not be the constituents of a nucleus. (2)Short Answer Dec-2015 • PTU B-TECH
-
A particle of mass m is trapped in one dimensional harmonic oscillator potential well. Using steady state Sc hrodinger's equation, obtain wave functions and quantized energies for this particle. (6)Short Answer Dec-2015 • PTU B-TECH
-
Give a brief account of superconductivity while throwing light on magnetic and thermodynamic properties. (4)Short Answer Dec-2015 • PTU B-TECH
-
Dec 2016 Write a brief note on high temperature superconductors. (4)
-
May 2015 Write a note on superconductivity with emphasis on magnetic and thermodynamic properties.
-
-
Write down London’s equations and give their physical significance. (4)Short Answer Dec-2015 • PTU B-TECH
-
May 2015 Write down London’s equations and give their physical significance. (4,4)
-
Explore all data
FAQ
Frequently Asked Questions
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.