Cover
Brief Contents
Contents
Preface
Acknowledgements
Roadmap to the Syllabus—JNTU Kakinada
Chapter 1: Interference
1.1 Introduction
1.2 Superposition of waves
1.3 Young’s double slit experiment
Explanation of interference
Analytical treatment of interference
Theory of interference fringes
1.4 Coherence
1.5 Interference in thin films by reflection
1.6 Newton’s rings
Theory: Newton’s rings by reflected light
Application: Determination of wave length of monochromatic light
Application: Determination of refractive index of a given liquid
Formulae
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 2: Diffraction
2.1 Introduction
2.2 Fresnel and Fraunhofer diffraction
Comparison between Fresnel and Fraunhofer diffractions
2.3 Fraunhofer diffraction at a single slit
2.4 Fraunhofer diffraction at double slit
2.5 Fraunhofer diffraction at a circular aperture
2.6 Plane diffraction grating [Diffraction at n slits]
Theory of transmission grating:
2.7 Grating spectrum
Maximum number of orders available with a grating
Determination of wave length of light using grating:
2.8 Rayleigh’s criterion for resolving power
2.9 Resolving power of a plane transmission grating
Formulae
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 3: Polarization
3.1 Introduction
3.2 Representation of polarized and unpolarized light
3.3 Types of polarization
3.4 Polarization by reflection
3.5 Malus law
3.6 Double refraction
3.7 Nicol prism
3.8 Quarter-wave plate
3.9 Half-wave plate
3.10 Theory of circular and elliptically polarized light
Formulae
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 4: Crystal Structures
4.1 Introduction
Distinction between crystalline and amorphous solids
4.2 Space lattice (or) crystal lattice
4.3 The basis and crystal structure
4.4 Unit cell and lattice parameters
4.5 Crystal systems and Bravais lattices
4.6 Structure and packing fractions of simple cubic [SC] structure
4.7 Structure and packing fractions of body-centred cubic [BCC] structure
4.8 Structure and packing fractions of face-centred cubic [FCC] structure
4.9 Calculation of lattice constant
Formula
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 5: X-Ray Diffraction
5.1 Crystal planes, directions and Miller indices
5.2 Distance of separation between successive hkl planes
5.3 Imperfections in crystals
5.4 Energy for the formation of a vacancy and number of vacancies—At equilibrium concentration
5.5 Diffraction of X-rays by crystal planes and Bragg’s law
5.6 Powder method
5.7 Laue method
Formulae
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 6: Lasers
6.1 Introduction
6.2 Characteristics of laser radiation
6.3 Spontaneous and stimulated emission
6.4 Einstein’s coefficients
6.5 Population inversion
6.6 Helium–Neon gas [He–Ne] laser
6.7 Ruby laser
6.8 Semiconductor lasers
6.9 Carbon dioxide laser
6.10 Applications of lasers
Formula
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 7: Fibre Optics
7.1 Introduction
7.2 Principle of optical fibre, acceptance angle and acceptance cone
7.3 Numerical aperture (NA)
7.4 Step index fibres and graded index fibres— Transmission of signals in them
7.5 Differences between step index fibres and graded index fibres
7.6 Differences between single mode fibres and multimode fibres
7.7 Attenuation in optical fibres
7.8 Optical fibres in communication
7.9 Advantages of optical fibres in communication
7.10 Fibre optic sensing applications
(a) Displacement sensors
(b) Liquid level sensor
(c) Temperature and pressure sensor
(d) Chemical sensors
7.11 Applications of optical fibres in medical field
Formulae
Solved Problems
Multiple-choice Questions
Answers
Review Questions
Chapter 8: Non-destructive Testing Using Ultrasonics
8.1 Introduction
8.2 Principle of ultrasonic testing
8.3 Ultrasonic flaw detector
8.4 Ultrasonic transducer
Transducer construction
8.5 Couplant
8.6 Inspection methods— Pulse echo testing technique
8.7 Different types of scans
8.8 Inspection standards [Reference standards or calibration blocks]
8.9 Applications of ultrasonics in NDT
Multiple-choice Questions
Answers
Review Questions
Index

lgli/A Text Book of Engineering Physics-I (Naidu).pdf

lgrsnf/A Text Book of Engineering Physics-I (Naidu).pdf

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2020-04-07