本英文改编教材的原书——《西尔斯物理学》是几代编著者长达半个多世纪物理教育探索与创新的产物，其许多可圈可点的特色在美国乃至世界其他国家，影响了一代又一代的大学师生，是当今世界发行量最大的主流教材之一。 本教材分上下两册。本书是下册，主要内容有电磁学、波动光学、近代物理学等。 本书既充分体现了原书的特色，又在适合我国国情方面有了新的特点，主要表现在：对原书取舍得当，篇幅适当，教材内容覆盖了教育部最新教学基本要求建议的75个A类知识点和部分B类知识点；教材95%以上是原书的文字，体现了原书教学理念的精华，整个教材体系具有更好的系统性和完整性；内容生动、丰富，图文并茂，举例鲜活，趣味性强，联系实际密切，强调概念理解，注重能力培养；每章的问题引入法、正文探索式的叙述法以及每节的思考题检测法等多种教学方法并用，将有效调动学生学习的积极性，提高学生学习的效能；所有例题都采用四步解题法：审题（Identify）、破题（Set up）、求解（Excute）和讨论(Evaluate)，这种规范、科学的解题方式十分有利于学生形成思维清晰、表述准确、方法明确的解题习惯，并能逐步获得较强的解决实际问题的能力；英语行文规范、流畅，原汁原味，代表了当前科技英语文献的风格，是我国学生学习英文科技写作的极好范本。 　　本教材为高等学校理工科各专业学生的大学物理双语教学专用教材。由于与国内教材有很强的相关对应性，故对于希望了解物理知识英文表述的非双语教学的师生及其他科技工作者，本书也是一本十分有益的参考书。

CONTENTS
Preface
19 MAGNETIC FIELD AND MAGNETIC
FORCES1
19.1 Magnetism2
19.2 Magnetic Field4
19.3 Magnetic Field Lines and Magnetic
Flux9
19.4 Motion of Charged Particles in a
Magnetic Field12
19.5 Applications of Motion of Charged
Particles16
19.6 Magnetic Force on a CurrentCarrying
Conductor19
19.7 Force and Torque on a Current
Loop23
19.8 The Hall Effect30
Answer to Chapter Opening Question31
Answers to Test Your Understanding
Questions32
Exercises32

20 SOURCES OF MAGNETIC
FIELD35
20.1 Magnetic Field of a Moving
Charge36
20.2 Magnetic Field of a Current
Element39
20.3 Magnetic Field of a Straight Current
Carrying Conductor42
20.4 Force Between Parallel
Conductors45
20.5 Magnetic Field of a Circular
Current Loop48
20.6 Ampere’s Law51
20.7 Applications of Ampere’s Law54
20.8 Magnetic Materials59
Answer to Chapter Opening Question65
Answers to Test Your Understanding
Questions65
Exercises66

21 ELECTROMAGNETIC
INDUCTION69
21.1 Induction Experiments70
21.2 Faraday’s Law72
21.3 Lenz’s Law81
21.4 Motional Electromotive Force 83
21.5 Induced Electric Fields86
21.6 Eddy Currents89
21.7 Displacement Current and Maxwell’s
Equations91
21.8 Superconductivity96
Answer to Chapter Opening Question98
Answers to Test Your Understanding
Questions98
Exercises98

22 INDUCTANCE101
22.1 Mutual Inductance102
22.2 SelfInductance and Inductors105
22.3 MagneticField Energy109
22.4 The RL Circuit112
22.5 The LC Circuit116
22.6 The LRC Series Circuit121
Answer to Chapter Opening Question124
Answers to Test Your Understanding
Questions124
Exercises124

23 ELECTROMAGNETIC WAVES127
23.1 Maxwell’s Equations and Electromagnetic
Waves128
23.2 Plane Electromagnetic Waves and the
Speed of Light130
23.3 Sinusoidal Electromagnetic
Waves137
23.4 Energy and Momentum in Electromagnetic
Waves143
23.5 The Electromagnetic Spectrum149
Answer to Chapter Opening Question150
Answers to Test Your Understanding
Questions150
Exercises151

24 THE NATURE AND PROPAGATION
OF LIGHT152
24.1 The Nature of Light 153
24.2 Reflection and Refraction155
24.3 Polarization163
24.4 Huygens’ Principle171
Answer to Chapter Opening Question174
Answers to Test Your Understanding
Questions175
Exercises175

25 INTERFERENCE176
25.1 Interference and Coherent
Sources177
25.2 TwoSource Interference of Light180
25.3 Intensity in Interference Patterns184
25.4 Interference in Thin Films188
25.5 The Michelson Interferometer194
Answer to Chapter Opening Question196
Answers to Test Your Understanding
Questions196
Exercises197

26 DIFFRACTION199
26.1 Fresnel and Fraunhofer
Diffraction200
26.2 Diffraction from a Single Slit 201
26.3 Intensity in the SingleSlit
Pattern 205
26.4 Multiple Slits209
26.5 The Diffraction Grating212
26.6 XRay Diffraction216
26.7 Circular Apertures and Resolving
Power220
Answer to Chapter Opening Question223
Answers to Test Your Understanding
Questions223
Exercises224

27 RELATIVITY226
27.1 Invariance of Physical Laws227
27.2 Relativity of Simultaneity230
27.3 Relativity of Time Intervals232
27.4 Relativity of Length 237
27.5 The Lorentz Transformations242
27.6 Relativistic Momentum246
27.7 Relativistic Work and Energy250
27.8 Newtonian Mechanics and
Relativity253
Answer to Chapter Opening Question255
Answers to Test Your Understanding
Questions255
Exercises256

28 PHOTONS, ELECTRONS AND
ATOMS258
28.1 Emission and Absorption of
Light 259
28.2 The Photoelectric Effect260
28.3 Atomic Line Spectra and Energy
Levels 266
28.4 The Nuclear Atom 272
28.5 The Bohr Model275
28.6 The Laser 280
28.7 XRay Production and Scattering284
28.8 Continuous Spectra288
28.9 WaveParticle Duality 292
Answer to Chapter Opening Question293
Answers to Test Your Understanding
Questions293
Exercises294

29 THE WAVE NATURE OF
PARTICLES296
29.1 De Broglie Waves297
29.2 Electron Diffraction300
29.3 Probability and Uncertainty303
29.4 The Electron Microscope308
29.5 Wave Functions and the Schrdinger
Equation310
Answer to Chapter Opening Question317
Answers to Test Your Understanding
Questions317
Exercises317

30 QUANTUM MECHANICS AND ATOMIC
STRUCTURE319
30.1 Particle in a Box320
30.2 Potential Wells325
30.3 Potential Barriers and Tunneling330
30.4 The Harmonic Oscillator333
30.5 ThreeDimensional Problems338
30.6 The Hydrogen Atom339
30.7 Electron Spin347
30.8 ManyElectron Atoms and the Exclusion
Principle352
Answer to Chapter Opening Question359
Answers to Test Your Understanding
Questions359
Exercises360

APPENDICES362
APPENDIX A The International System
of Units362
APPENDIX B Useful Mathematical
Relations364
APPENDIX C The Greek Alphabet365
APPENDIX D Periodic Table of the
Elements366
APPENDIX E Unit Conversion Factors366
APPENDIX F Numerical Constants367
APPENDIX G Answers to Exercises369

教学支持信息表（填写本表，获取本书
教辅资源）373