Solved question paper for PHYSICS May-2017 (B-TECH 1st-2nd)
Solved Question Paper
Engineering physics May-2017
PTU • B-TECH • Civil Engineering • 1st-2nd • May-2017
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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SECTION - B & C. have FOUR questions each.Short Answer May-2017 • PTU B-TECH
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May 2024 SECTION-B &C have FOUR questions each.
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May 2019 SECTION - B & C have FOUR questions each.
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May 2013 SECTION - B & C have FOUR questions each.
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Dec 2012 SECTION - B & C. have FOUR questions each.
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Select atleast TWO questions from SECTION - B & C.Short Answer May-2017 • 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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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 2011 Select at least 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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Write briefly :Short Answer May-2017 • PTU B-TECH
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May 2024 Write short notes on:
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What is the physical significance of curl of a vector field?Short Answer May-2017 • PTU B-TECH
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May 2019 Give the physical significance of divergence and curl of a field.
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May 2017 What is the physical significance of curl of a vector field?
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May 2016 What is the physical significance of divergence of a vector field?
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May 2015 What is the physical significance of divergence of a vector field?
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State Poynting theorem and interpret each term in its expression.Short Answer May-2017 • PTU B-TECH
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May 2017 State Poynting theorem and interpret each term in its expression.
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May 2015 What is Poynting vector and give its significance ? State and prove Poynting vector theorem.
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Dec 2014 State and prove Poynting vector theorem. Give significance of each term.
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What is the atomic origin of paramagnetism exhibited by certain materials?Short Answer May-2017 • PTU B-TECH
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May 2017 What is the atomic origin of paramagnetism exhibited by certain materials?
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May 2017 How does the diamagnetism arise on atomic basis?
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Dec 2014 What is the atomic origin of diamagnetism exhibited by certain materials?
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What are the essential conditions for a unit cell to be called a primitive cell?Short Answer May-2017 • PTU B-TECH
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May 2017 What are the essential conditions for a unit cell to be called a primitive cell?
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Dec 2014 What are the essential conditions for a unit cell to be called a primitive cell?
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What is population inversion and give its significance in lasing action?Short Answer May-2017 • PTU B-TECH
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Dec 2019 What is population inversion in laser and how it is achieved?
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May 2017 What is population inversion and give its significance in lasing action?
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May 2015 What is population inversion and give its significance in lasing action?
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How does light propagate through an optical fiber?Short Answer May-2017 • PTU B-TECH
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May 2017 How does light propagate through an optical fiber?
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Dec 2014 What is the basic principle of guiding the light wave through an optical fibre.
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Dec 2014 What is the basic principle of guiding the light wave through an optical fiber?
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Give basic postulates of special theory of relativity.Short Answer May-2017 • 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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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 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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Justify why an electron can't be accelerated in a cyclotron.Short Answer May-2017 • PTU B-TECH
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May 2017 Justify why an electron can\'t be accelerated in a cyclotron.
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May 2017 Why an electron can’t be accelerated in a cyclotron?
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Dec 2014 Why an electron can’t be accelerated in a cyclotron?
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List properties of a well behaved wave functions for a given system.Short Answer May-2017 • 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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Dec 2014 What are the essential requisites for a well behaved wave functions for a given system?
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May 2010 What arc thc characteristics of a well behaved wave-function.
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Give a brief and broad outline of synthesis of nanomaterials through chemical vapour deposition. 2 | M- 54105 (S1)-1118Short Answer May-2017 • PTU B-TECH
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May 2017 Give a brief and broad outline of synthesis of nanomaterials through chemical vapour deposition. 2 | M- 54105 (S1)-1118
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Derive the equations of electromagnetic waves propa gation through free space. Further deduce important properties of EM wave propagation in free space. 5Short Answer May-2017 • PTU B-TECH
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May 2017 Derive the equations of electromagnetic waves propa gation through free space. Further deduce important properties of EM wave propagation in free space. 5
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What is Ampere's circuital rule? What is the drawback of this rule and how it was accounted for by Maxwell? 3Short Answer May-2017 • PTU B-TECH
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Dec 2023 Explain the meaning of each Maxwell’s equation. What was the problem with the Ampere’s law?
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May 2017 What is Ampere\'s circuital rule? What is the drawback of this rule and how it was accounted for by Maxwell? 3
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May 2017 What is the basic drawback of Ampere\'s Circuital rule and how was it accounted by Maxwell?
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Describe how ultrasonic waves are generated using the method of magnetostriction. 5Short Answer May-2017 • PTU B-TECH
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May 2018 Explain the production of Ultrasonic waves using concept of Magnetostriction.
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May 2017 Describe how ultrasonic waves are generated using the method of magnetostriction. 5
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Dec 2014 Describe how ultrasonic waves are generated using the method of magnetostriction.
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What are type I and type II superconductors and give their distinguishing features. 3Short Answer May-2017 • 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? 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 2010 Explain the deference between the Type I and Type II superconductors. \\\' (b) Give the salient features of BCS theory of 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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What is Bragg's law. Derive the Bragg ’s condition for x-ray diffraction. What are the limitations of Bragg's law? 5Short Answer May-2017 • PTU B-TECH
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Dec 2023 What are X-rays? Discuss the diffraction of X-ray from crystals and obtain Bragg\\\'s law.
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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.
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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
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May 2015 Derive Bragg’s law and discuss its applications in crystallography. (4,4)
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Dec 2015 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)
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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?
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May 2008 Derive the Bragg\'s equation for dififraction of X-Rays and discuss its\' application in X-Ray Crystallography.
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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.
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A certain orthorhombic crystal has a ratio of a : b : c of 0.428:1:0.376. Find Miller indices of the faces with intercepts 0.214:1:0.188. 3Short Answer May-2017 • PTU B-TECH
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May 2017 A certain orthorhombic crystal has a ratio of a : b : c of 0.428:1:0.376. Find Miller indices of the faces with intercepts 0.214:1:0.188. 3
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Dec 2014 A certain orthorhombic crystal has a ratio of a: b: c of 0.4 28:1:0.376. Find Miller indices of the faces with intercepts 0.214:1:0.188.
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Discuss the construction and working of a Semiconductor laser. 4Short Answer May-2017 • PTU B-TECH
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May 2017 Discuss the construction and working of a Semiconductor laser. 4
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May 2012 Elaborate construction and working of semiconductor laser. (4,4)
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Give a qualitative idea of formation and reconstruction of hologram. 4Short Answer May-2017 • PTU B-TECH
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May 2017 Give a qualitative idea of formation and reconstruction of hologram. 4
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Dec 2014 Give a qualitative idea of formation and reconstruction of hologram.
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What are different kinds of optical fibers ? How is light wave guided through an optical fiber? Derive and interpret the numerical aperture of an optical fiber. 5Short Answer May-2017 • PTU B-TECH
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Dec 2019 Explain the basic principle used in optical fibre for transmission of light. What is acceptance angle for an optical fibre? How it is related to numerical aperture. Find out the numerical aperture and acceptance angle of an optical fibre, if the refractive indices for core and cladding are 1.6 and 1.5 respectively.
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May 2017 What are different kinds of optical fibers ? How is light wave guided through an optical fiber? Derive and interpret the numerical aperture of an optical fiber. 5
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May 2017 What is an optical fiber ? Discuss the underlying principle of light guidance through optical fiber. Derive the expression for numerical aperture of optical fiber and attach physical significance to it. (5)
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May 2015 What is an optical f iber? Give the basic principle of light guidance through the optical fiber. Derive an expression for numerical aperture of an optical fiber.
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Give various kinds of dispersion suffered by the light wave while propag ating through an optical fiber. 3Short Answer May-2017 • PTU B-TECH
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May 2017 Give various kinds of dispersion suffered by the light wave while propag ating through an optical fiber. 3
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How is Heisenberg's uncertainty principle a natural consequence wave nature of moving particles? 4Short Answer May-2017 • PTU B-TECH
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May 2017 How is Heisenberg\'s uncertainty principle a natural consequence wave nature of moving particles? 4
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Consider a particle of mass m trapped in an one dimensional box of infinite depth. Using steady state Schrodinger's equation obtain permissible states and corresponding energies of the particle. 4Short Answer May-2017 • PTU B-TECH
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May 2017 Consider a particle of mass m trapped in an one dimensional box of infinite depth. Using steady state Schrodinger\'s equation obtain permissible states and corresponding energies of the particle. 4
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Derive the expression for variation of mass of a relativistic body with velocity. 5Short Answer May-2017 • PTU B-TECH
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Dec 2023 How does mass vary with relativistic velocity? Develop its relation.
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May 2018 Derive the relativistic relation for variation of mass with velocity. (4)
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May 2017 Derive the expression for variation of mass of a relativistic body with velocity. 5
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Dec 2017 Derive the relativistic relation for variation of mass with velocity.
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May 2015 Derive the expression for variation of mass with velocity for a relativistic particle.
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The mean life of a muon, when it is at rest, is 2.2 s. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c. 3Short Answer May-2017 • PTU B-TECH
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May 2017 The mean life of a muon, when it is at rest, is 2.2 s. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c. 3
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May 2017 The mean life of a m uon, when it is at rest, is 2.2 s. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c. (3)
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Dec 2014 The mean life of a muon, when it is at rest, is 2.2 μs. Calculate the average distance it will travel in vacuum before it decays, if it has velocity of 0.9c.
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Discuss sol-gel technique for synthesis of nanomaterials. 5Short Answer May-2017 • PTU B-TECH
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Dec 2023 Explain the synthesis of nanomaterials using Ball Milling and Sol-gel Techniques.
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May 2017 Discuss sol-gel technique for synthesis of nanomaterials. 5
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May 2015 Discuss various techniques for synthesis of nanomaterials.
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Dec 2014 Discuss various techni ques for synthesis of nanomaterials.
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Write a short note on properties of nanomateria ls which d istinguish it from bulk matter. 3Short Answer May-2017 • PTU B-TECH
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May 2017 Write a short note on properties of nanomateria ls which d istinguish it from bulk matter. 3
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01 Where can I find engineering physics previous year question papers for Bachelor of Technology, 1st-2nd semester?
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