Engineering Physics I : For Anna University

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Cover Contents Preface Roadmap to the Syllabus Chapter 1: Ultrasonics 1.1 Introduction 1.2 Principle of ultrasonic testing 1.3 Ultrasonic flaw detector 1.4 Ultrasonic transducer Transducer construction 1.5 Couplant 1.6 Inspection methods—Pulse echo testing technique 1.7 Different types of scans 1.8 Inspection standards [Reference standards or calibration blocks] 1.9 Applications of ultrasonics in NDT Multiple-choice Questions Answers Review Questions Chapter 2: Lasers 2.1 Introduction 2.2 Characteristics of laser radiation 2.3 Spontaneous and stimulated emission 2.4 Einstein’s coefficients 2.5 Population inversion 2.6 H elium–Neon gas [He–Ne] laser 2.7 Ruby laser 2.8 Semiconductor lasers 2.9 Carbon dioxide laser 2.10 Applications of lasers 2.11 Holography 2.12 Basic principle of holography 2.13 Recording of image on a holographic plate 2.14 Reconstruction of image from a hologram 2.15 Applications of holography Formula Solved Problems Multiple-choice Questions Answers Review Questions Chapter 3: Fibre Optics and its Applications 3.1 Introduction 3.2 Principle of optical fibre, acceptance angle and acceptance cone 3.3 Numerical aperture (NA) 3.4 Step index fibres and graded index fibres—Transmission of signals in them 3.5 Differences between step index fibres and graded index fibres 3.6 Differences between single mode fibres and multimode fibres 3.7 Attenuation in optical fibres 3.8 Optical fibres in communication 3.9 Advantages of optical fibres in communication 3.10 Fibre optic sensing applications (a) Displacement sensors (b) Liquid level sensor (c) Temperature and pressure sensor (d) Chemical sensors 3.11 Applications of optical fibres in medical field Formulae Solved Problems Multiple-choice Questions Answers Review Questions Chapter 4: Quantum Physics 4.1 Variation of mass with velocity 4.2 Mass–energy equivalence 4.3 Energy and momentum relation 4.4 Black body radiation Average energy of an oscillator 4.5 The ultra-violet catastrophe 4.6 Derivation of different laws from Planck’s radiation law 4.7 Compton effect 4.8 Wave–particle duality–de Broglie hypothesis–Matter waves Matter waves Properties of matter waves 4.9 Davisson–Germer experiment 4.10 Wave packet 4.11 Heisenberg uncertainty principle Formulae Solved Problems Multiple-choice Questions Answers Review Questions Chapter 5: Crystal Physics 5.1 Introduction Distinction between crystalline and amorphous solids 5.2 Space lattice (or) crystal lattice 5.3 The basis and crystal structure 5.4 Unit cell and lattice parameters 5.5 Crystal systems and Bravais lattices 5.6 Structure and packing fractions of simple cubic [SC] structure 5.7 Structure and packing fractions of body centred cubic [BCC] structure 5.8 Structure and packing fractions of face-centred cubic [FCC] structure 5.9 Calculation of lattice constant 5.10 Burgers vector Formula Solved Problems Multiple-choice Questions Answers Review Questions Model Question Papers Model Question Paper I Model Question Paper II Solutions to Model Question Papers Solutions to Model Question Paper I Solutions to Model Question Paper II