WJEC Physics for AS Level Student Book 2nd Edition

3 Contents How to use this book 4 The AS examination 5 Unit 1: Motion, Energy and Matter 8 1.1 Basic physics 9 1.2 Kinematics 26 1.3 Dynamics 39 1.4 Energy concepts 55 1.5 Solids under stress 64 1.6 Using radiation to investigate stars 75 1.7 Particles and nuclear structure 85 Unit 1 equations 93 Exam practice questions 94 Unit 2: Electricity and Light 98 2.1 Conduction of electricity 99 2.2 Resistance 105 2.3 Direct current circuits 117 2.4 The nature of waves 129 2.5 Wave properties 139 2.6 Refraction of light 154 2.7 Photons 164 2.8 Lasers 176 Unit 2 equations 183 Exam practice questions 184 Chapter 3: Practical skills 188 Chapter 4: Mathematical skills 201 Answers Knowledge check 215 Test yourself 219 Exam practice questions 230 Glossary 233 Index 236 Contents