Solved question paper for PHYSICS Dec-2009 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics Dec-2009
PTU • B-TECH • Mechanical Engineering • 1st-2nd • Dec-2009
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 atleast TWo questions from Section - B & C.Short Answer Dec-2009 • 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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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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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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Explain the term time dilatation?Short Answer Dec-2009 • PTU B-TECH
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May 2012 What do you mean by time dilation?
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What is the wavelength of He-Ne Laser, Semiconductor Laser?Short Answer Dec-2009 • PTU B-TECH
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Explain the term permiuivity.Short Answer Dec-2009 • PTU B-TECH
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Dec 2008 Explain the terms permeability and susceptibility and drive the relation between them.
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What is the significance of V-numbers in OFC's.Short Answer Dec-2009 • PTU B-TECH
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Define the importance of doping in semiconductors. 0 Explain the Isotopic effect in case of superconductors.Short Answer Dec-2009 • PTU B-TECH
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Define LASERS. v h) Explain the concept ofether. D Plot the graphs for soft and hard superconductors. t Differentiate between group velocity and phase velocity.Short Answer Dec-2009 • PTU B-TECH
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Explain the significance ofMa:<well's equations.Short Answer Dec-2009 • PTU B-TECH
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Explain the term current density and calculate the expression for it. Lls [812e] P.TO. € I Q3) (a) Differentiate between Step Index and Graded Index Fibers.Short Answer Dec-2009 • PTU B-TECH
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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.Short Answer Dec-2009 • PTU B-TECH
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May 2010 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.
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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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Explain the working, construction and energy level diagram for Ruby laser.Short Answer Dec-2009 • 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 2008 Explain the construction, working and principle of Ruby Laser.
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Explain the term spatial and temporal.coherence. Qs) (a) Differentiate between hard and soft magnetic materials.Short Answer Dec-2009 • PTU B-TECH
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Mention some applications ofFerrite.materials.Short Answer Dec-2009 • 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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May 2011 What are ferrite materials? Give some of its useful applications.
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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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Explain Michelson Morley experiment and discuss its significance.Short Answer Dec-2009 • PTU B-TECH
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May 2018 Discuss relevance of Michelson Morley experiment in reference to special theory of relativity.
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May 2017 Give the results of the Michelson-Morley experiment.
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May 2015 Discuss the Michelson-Morley experiment and give its conclusions.
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May 2011 Describe Michelson Morley experiment and show the negative results obtained from this experiment were interpreted\'
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May 2008 Explain Michelson-Morley experiment in detail and give the significance of negative results
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Explain various postulates of Special theory ofRelativity.Short Answer Dec-2009 • 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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May 2010 State and explain postulates of special theory of relativity with help of example.
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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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Differentiate between hard and soft X-Rays.Short Answer Dec-2009 • PTU B-TECH
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May 2015 Distinguish between the origin of characteristic and continuous x-rays.
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May 2009 Differentiate between Continuous and Characteristic X-Rays.
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Define Wave function and calculate the expression for Time dependent Schrodinger Wave Equation.Short Answer Dec-2009 • PTU B-TECH
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May 2023 Derive time dependent and time independent Schrodinger wave equation.
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Dec 2023 Develop time-dependent and time-independent Schrodinger wave equations.
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Dec 2023 b) Derive time dependent Schrodinger wave equation.
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May 2019 Derive the expression of time -dependent Schrodinger wave equation for a given wave function.
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May 2018 Derive the expression for time dependent Schrodinger’s equation. (4)
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Dec 2017 Derive time independent Schrodinger wave equation and discuss its significance in today\'s context.
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Dec 2017 Derive the expression for time independent Schrodinger\'s equation.
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May 2016 Derive the expression for time independent Schrodinger\'s equation. (4)
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May 2016 Establish time dependent Schrodinger wave equation and further deduce time independent form of this equation. (5)
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May 2013 Derive time-dependent Schrodinger wave equation. Give a physical interpretation of the wave function.
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May 2012 State and derive time independent Schrodinger equation.
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Dec 2012 Develop time independent Schrödinger Wave Equation and discuss its significance. (3,5)
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Differentiate between photo electric effect and compton effect and calculate the expression for Compton Shift.Short Answer Dec-2009 • PTU B-TECH
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Explain BCS theory of superconductivity.Short Answer Dec-2009 • 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 2008 Explain the BCS theory of superconductivity. 31 9x -91 E-524 2
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Calculate the expression for penetration depth in superconductors. *** 2':-J-I5Short Answer Dec-2009 • PTU B-TECH
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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.