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IGCSE CAIE Physics

1. Motion, forces and energy

1.1 Physical quantities and measurement techniques

1.3 Mass and weight

1.5.1 Effects of forces

1.5.1.1—Forces may produce changes in the size

1.5.1.2—Load–extension graphs for an elastic

1.5.1.3—Resultant of two or more forces acting

1.5.1.4—An object either remains at rest or

1.5.1.5—A resultant force may change the

1.5.1.6—Solid friction as the force between

1.5.1.7—Friction (drag) acts on an object

1.5.1.8—Friction (drag) acts on an object

1.5.1.9—Spring constant as force per unit

1.5.1.10—Term ‘limit of proportionality’ for a

1.5.1.11—Recall/use: F = ma

1.5.1.12—Circular motion caused by a force

1.5.2 Turning effect of forces

1.5.3 Centre of gravity

1.7.3 Energy resources

2. Thermal physics

2.1.1 States of matter

2.1.2 Particle model

2.1.3 Gases and the absolute scale of temperature

2.2.1 Thermal expansion of solids, liquids and gases

2.2.2 Specific heat capacity

2.2.3 Melting, boiling and evaporation

2.3.1 Conduction

2.3.2 Convection

2.3.3 Radiation

2.3.4 Consequences of thermal energy transfer

3.1 General properties of waves

3.2.1 Reflection of light

3.2.2 Refraction of light

3.2.3 Thin lenses

3.2.4 Dispersion of light

3.3 Electromagnetic spectrum

4. Electricity and magnetism

4.1 Simple phenomena of magnetism

4.2.1 Electric charge

4.2.2 Electric current

4.2.3 Electromotive force and potential difference

4.2.4 Resistance

4.2.5 Electrical energy and electrical power

4.3.1 Circuit diagrams and circuit components

4.3.2 Series and parallel circuits

4.3.3 Action and use of circuit components

4.4 Electrical safety

4.5.1 Electromagnetic induction

4.5.2 The a.c. generator

4.5.3 Magnetic effect of a current

4.5.4 Force on a current-carrying conductor

4.5.5 The d.c. motor

4.5.6 The transformer

5. Nuclear physics

5.1.2 The nucleus

5.2.1 Detection of radioactivity

5.2.2 The three types of nuclear emission

5.2.3 Radioactive decay

5.2.4 Half-life

5.2.5 Safety precautions

6. Space physics

6.1.1 The Earth

6.1.2 The Solar System

6.2.1 The Sun as a star

6.2.3 The Universe

IGCSE CAIE Physics/Extended/1. Motion, forces and energy/1.5.1 Effects of forces/1.5.1.9—Spring constant as force per unit

CAIE IGCSE Physics EXTENDED 1.5.1.9 Spring constant as force per unit

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