Block 3: Physics of waves 12 Sound 12.1 12.2 12.3 12.4
168
Making sounds At the speed of sound Seeing sounds How sounds travel
169 170 172 175
13 Light 13.1 13.2 13.3 13.4
167
180
Reflecting light Refraction of light Total internal reflection Lenses
181 184 189 193
14 Properties of waves
202
14.1 Describing waves 14.2 Speed, frequency and wavelength 14.3 Explaining wave phenomena
15 Spectra
203 207 208
216
15.1 Dispersion of light 15.2 The electromagnetic spectrum
217 218
19 Electric circuits 19.1 19.2 19.3 19.4
Circuit components Combinations of resistors Electronic circuits Electrical safety
20 Electromagnetic forces 20.1 The magnetic effect of a current 20.2 How electric motors are constructed 20.3 Force on a current-carrying conductor
21 Electromagnetic induction 21.1 Generating electricity 21.2 Power lines and transformers 21.3 How transformers work
225
16 Magnetism
226
16.1 Permanent magnets 16.2 Magnetic fields
17.1 Charging and discharging 17.2 Explaining static electricity 17.3 Electric fields and electric charge
18 Electrical quantities 18.1 18.2 18.3 18.4
iv
Cambridge IGCSE Physics
284 285 287
294 295 299 302
309
22 The nuclear atom
310
22.1 Atomic structure 22.2 Protons, neutrons and electrons
320
Answers to questions
338
236
Appendix 1
350
237 238 241
Appendix 2
352
Glossary
353
Index
359
Acknowledgements
370
247 251 254 256
23.1 23.2 23.3 23.4
311 313
321 323 327 329
246
Current in electric circuits Electrical resistance More about electrical resistance Electricity and energy
283
Radioactivity all around The microscopic picture Radioactive decay Using radioisotopes
227 230
17 Static electricity
263 268 272 275
Block 5: Atomic physics
23 Radioactivity
Block 4: Electricity and magnetism
262
Original material Š Cambridge University Press 2014