281 Physics O-Level P-1 (MCQ’s) Topical Past Papers

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1 PHYSICAL QUANTITIES, UNITS AND MEASUREMENT 7
1.1 Scalars and vectors 7
1.2 Measurement techniques 9
1.3 Units and symbols 17
1 ANSWER SECTION 18
2 KINEMATICS 19
2.1 Speed, velocity and acceleration 19
2.2 Graphical analysis of motion 22
2.3 Multiple topics 33
2 ANSWER SECTION 34
3 DYNAMICS 35
3.1 Balanced and unbalanced forces 35
3.2 Friction 44
3.3 Circular motion 45
3.4 Multiple topics 50
3 ANSWER SECTION 58
4 MASS, WEIGHT AND DENSITY 59
4.1 Mass and weight 59
4.2 Gravitational fields 62
4.3 Density 63
4.4 Multiple topics 65
4 ANSWER SECTION 72
5 TURNING EFFECT OF FORCES 73
5.1 Moments 73
5.2 Centre of mass 79
5.3 Stability 80
5.4 Multiple topics 85
5 ANSWER SECTION 87
6 DEFORMATION 88
6.1 Elastic deformation 88
6.2 Multiple topics 95
6 ANSWER SECTION 96
7 PRESSURE 97
7.1 Pressure 97
7.2 Pressure changes 104
7.3 Pressure changes 116
7 ANSWER SECTION 117
8 ENERGY SOURCES AND TRANSFER OF ENERGY 118
8.1 Energy forms 118
8.2 Major sources of energy 124
8.3 Work 126
8.4 Efficiency 128
8.5 Power 130
8.6 Multiple topics 132
8 ANSWER SECTION 133
9 METALS 134
9.1 Conduction 134
9.2 Convection 136
9.3 Radiation 140
9.4 Multiple Topics 143
9 ANSWER SECTION 148
10 TRANSFER OF THERMAL ENERGY 149
10.1 Principles of thermometry 149
10.2 Practical thermometers 151
10.3 Multiple Topics 155
10 ANSWER SECTION 157
11 TEMPERATURE 158
11.1 Specific heat capacity 158
11.2 Melting and boiling 160
11.3 Thermal expansion of solids, liquids and gases 163
11.4 Multiple topics 168
11 ANSWER SECTION 172
12 KINETIC MODEL OF MATTER 173
12.1 States of matter 173
12.2 Molecular model 175
12.3 Evaporation 176
12.4 Multiple topics 181
12 ANSWER SECTION 182
13 General Wave properties 183
13.1 Describing wave motion 183
13.2 Wave terms 185
13.3 Wave behaviour 188
13.4 Multiple topics 191
13 ANSWER SECTION 194
14 LIGHT 195
14.1 Reflection of light 195
14.2 Refraction of light 203
14.3 Thin converging and diverging lenses 210
14.4 Multiple topics 218
14 ANSWER SECTION 217
15 ELECTROMAGNETIC SPECTRUM 220
15.1 Dispersion of light 220
15.2 Properties of electromagnetic waves 223
15.3 Applications of electromagnetic waves 226
15 ANSWER SECTION 228
16 SOUND 229
16.1 Sound waves 229
16.2 Speed of sound 234
16.3 Ultrasound 236
16.4 Multiple topics 237
16 ANSWER SECTION 240
17 MAGNETISM AND ELECTROMAGNETISM 240
17.1 Laws of magnetism 240
17.2 Magnetic properties of matter 241
17.3 Electromagnetism 246
17 ANSWER SECTION 253
18 STATIC ELECTRICITY 254
18.1 Laws of electrostatics 254
18.2 Principles of electrostatics 255
18.3 Multiple topics 265
18 ANSWER SECTION 266
19 CURRENT ELECTRICITY 267
19.1 Current 267
19.2 Electromotive force 269
19.3 Potential difference 270
19.4 Resistance 272
19.5 Multiple topics 277
19 ANSWER SECTION 281
20 D.C. CIRCUITS 282
20.1 Current and potential difference in circuits 282
20.2 Series and parallel circuits 286
20.3 Multiple topics 307
20 ANSWER SECTION 310
21 PRACTICAL ELECTRICITY 311
21.1 Uses of electricity 311
21.2 Safe use of electricity in the home 314
21.3 Multiple Topics 321
21 ANSWER SECTION 323
22 ELECTROMAGNETISM 324
22.1 Force on a current-carrying conductor 324
22.2 The d.c motor 332
22.3 Multiple Topics 338
22 ANSWER SECTION 340
23 ELECTROMAGNETIC INDUCTION 341
23.1 Principles of electromagnetic induction 341
23.2 The a.c. generator 349
23.3 The transformer 357
23.4 Multiple Topics 361
23 ANSWER SECTION 363
24 INTRODUCTORY ELECTRONICS 364
24.1 Thermionic emission and cathode-rays 364
24.2 Uses of an oscilloscope 365
24.3 Action and use of circuit components 370
24.4 Multiple Topics 374
24 ANSWER SECTION 375
25 RADIOACTIVITY 376
25.1 Detection of radioactivity 376
25.2 Characteristics of the three types of emission 380
25.3 Nuclear reactions 384
25.4 Half-life 387
25.5 Uses of radioactive isotopes including safety precautions 392
25.6 Multiple Topics 394
25 ANSWER SECTION 395
26 THE NUCLEAR ATOM 396
26.1 Atomic model 396
26.2 Nucleus 399
26.3 Multiple Topics 404
26 ANSWER SECTION 405