281 Physics O Level Paper 1 (MCQ’s) Topical Worked Solutions

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

• All variants
• Mark Schemes
• References of repeated questions added
• Questions order new to old
• Worked Solutions

TABLE OF CONTENTS

UNIT 1 GENERAL PHYSICS
1.1 Length and time
1.2 Motion
1.3 Mass and weight
1.4 Density
1.5 Balanced and unbalanced forces
1.6 Friction
1.7 Elastic deformation
1.8 Circular motion
1.9 Turning effect and centre of gravity
1.10 Scalars and vectors
1.11 Energy
1.12 Energy resources
1.13 Work
1.14 Power
1.15 Efficiency
1.16 Pressure
1.17 Momentum
Answers Section

UNIT 2 THERMAL PHYSICS
2.1 States of matter
2.2 Molecular model
2.3 Pressure changes
2.4 Thermal expansion of solids liquids, gases & temperature
2.5 Specific heat capacity
2.6 Melting, boiling and evaporation
2.7 Conduction
2.8 Convection
2.9 Radiation
Answers Section

UNIT 3 PROPERTIES OF WAVES, INCLUDING LIGHT & SOUND
3.1 General wave properties
3.2 Reflection of light
3.3 Refraction of light
3.4 Thin converging lens
3.5 Dispersion of light
3.6 Electromagnetic spectrum
3.7 Sound
Answers Section

UNIT 4 ELECTRICITY AND MAGNETISM
4.1 Simple phenomena of magnetism
4.2 Electric charge
4.3 Current
4.4 Electromotive force
4.5 Potential difference
4.6 Resistance
4.7 Electrical circuits
4.8 Practical electricity
4.9 Action and use of circuits components
4.10 Electromagnetic induction
4.11 A.C generator
4.12 Transformer
4.13 Force on a current carrying conductor
4.14 D.C motor
4.15 Uses of oscilloscope
Answers Section

UNIT 5 ATOMIC PHYSICS
5.1 Atomic model
5.2 Nucleus
5.3 Detection of radioactivity
5.4 Characteristics of the three kind of emission
5.5 Radioactivity decay, fission and fusion
5.6 Half-life
5.7 Safety precautions and uses
Answers Section

UNIT 6 SPACE PHYSICS
6.1 Earth
6.2 Orbital speed
6.3 Solar system
6.4 Universe
ANSWER SECTION