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HYSICS fourth edition

Tom Duncan BSc

Formerly Senior Lecturer in Education University of Liverpool

John Murray

Contents

Preface Acknowledgements About physics

MATERIALS

v viii

1

1 Materials and their uses 2 Structure of materials 3 Mechanical properties 4 Electrical properties 5 Thermal properties 6 Optical properties

Objective-type revision questions 1

15 22 35 50 75 90

127

MECHANICS

Statics and dynamics 135 Circular motion and gravitation 156 Mechanical oscillations 174 Energy and its uses 185 Fluids at rest 201 Fluids in motion 213 Objective-type revision questions 2 223

FIELDS

Electric fields 229 Capacitors 243 Magnetic fields 261 Electromagnetic induction 279 Alternating current 306 Objective-type revision questions 3 322

vii

WAVES

18 Wave motion 329 19 Sound 346 20 Physical optics 366

Objective-type revision questions 4 395

ATOMS

21 Kinetic theory and thermodynamics 401 22 Atomic physics 425 23 Electronics 450 24 Telecommunications 488 25 Nuclear physics 501

Objective-type revision questions 5' 527

Advanced Supplementary (AS) questions 531

Practical investigations 551 Mathematics for physics 555 Appendices 559 Answers 565 Photo acknowledgements 573 Index 575