IGCSE Physics 0625 Paper 2 Topical 2011-2021

1: Motion, Forces and Energy

1.1 Physical Quantities and Measurement Techniques 7
1.2 Motion 23
1.3 Mass and Weight 53
1.4 Density 69
1.5 Forces 82
1.5.1 Effect of Forces 82
1.5.2 Turning Effect of Forces 100
1.5.3 Centre of Gravity 111
1.6 Momentum 114
1.7 Energy, Work and Power 123
1.7.1 Energy 123
1.7.2 Work 134
1.7.3 Energy Resources 139
1.7.4 Power 144
1.8 Pressure 153

2: Thermal Physics

2.1 Kinetic Particle Model of Matter 168
2.1.1 States of Matter 168
2.1.2 Particle Model 170
2.1.3 Gases and the Absolute Scale Temperature 175
2.2 Thermal Properties and Temperature 186
2.2.1 Thermal Expansion of Solids, Liquids and Gases 186
2.2.2 Specific Heat Capacity 190
2.2.3 Melting, Boiling and Evaporation 200
2.3 Transfer of Thermal Energy 208
2.3.1 Conduction 208
2.3.2 Convection 214
2.3.3 Radiation 220
2.3.4 Consequences of Thermal Energy Transfer 229

3: Waves

3.1 General Properties of Waves 236
3.2 Light 256
3.2.1 Reflection of Light 256
3.2.2 Refraction of Light 266
3.2.3 Thin Lenses 276
3.2.4 Dispersion of Light 287
3.3 Electromagnetic Spectrum 291
3.4 Sound 299

4. Electricity and Magnetism

4.1 Simple Phenomena of Magnetism 318
4.2 Electrical Quantities 333
4.2.1 Electrical Charge 333
4.2.2 Electrical Current 343
4.2.3 Electromotive Force and Potential Difference 348
4.2.4 Resistance 352
4.2.5 Electrical Energy and Electrical Power 365
4.3 Electric Circuits 368
4.3.1 Circuit Diagrams and Circuit Components 368
4.3.2 Series and Parallel Circuits 377
4.3.3 Action and Use of Circuit Components 394
4.4 Electrical Safety 402
4.5 Electromagnetic Effects 410
4.5.1 Electromagnetic Induction 410
4.5.2 The A.C. Generator 417
4.5.3 Magnetic Effect of a Current 423
4.5.4 Forces on a Current Carrying Conductor 429
4.5.5 The D.C. Motor 437
4.5.6 The Transformer 441

5. Nuclear Physics

5.1 The Nuclear Model of the Atom 452
5.1.1 The Atom 452
5.1.2 The Nucleus 456
5.2 Radioactivity 464
5.2.1 Detection of Radioactivity 464
5.2.2 The Three Types of Emission 467
5.2.3 Radioactive Decay 475
5.2.4 Half-life 482
5.2.5 Safety Precautions 493