AQA AS-level Physics
Free AQA AS-level Physics revision for AQA Physics (7407): 13 topics and 252 short lessons, each with R.E.C.I.P.E. recall steps and a quiz. The topics follow the AQA specification.
1. Particles and Radiation
- Structure of the Atom
- Isotopes
- Specific Charge
- The Strong Nuclear Force
- Forces in the Nucleus
- Radioactive Decay
- Alpha Radiation
- Beta Radiation
- Gamma Radiation and Electromagnetic Waves
- The Electron Volt
- Photons
- Anti-matter
- Annihilation
- Pair Production
- The Discovery of the Positron
- The Electromagnetic Force
- Feynman Diagrams
- The Weak Nuclear Force
- The W Boson
- Beta Decay
- Electron Capture
- Force Carriers
2. Quarks and Leptons
3. The Photoelectric Effect
- The Photoelectric Effect
- Explanation of the Photoelectric Effect
- The Stopping Potential
- Planck's Quantum Theory
- The Vacuum Photocell
- Ionisation
- Measuring Ionisation Energy
- Energy of Electrons
- Electron Excitation by Collisions
- Excitation Using Photons
- De-excitation
- Fluorescence
- Fluorescent Tube
- Line Spectra
- Excitation of Hydrogen Atoms
- The Discovery of Helium
- The Dual Nature of Light
- De Broglie's Hypothesis
- Evidence for de Broglie's Hypothesis
4. Waves
- Type of Waves
- Transverse Waves
- Longitudinal Waves
- Polarisation
- Measuring Waves
- Wave Speed
- Phase
- Phase Difference
- Ripple Tank
- Reflection
- Refraction
- Diffraction
- Principle of Superposition
- Stationary Waves on a Rope
- Water Waves in a Ripple Tank
- Interference
- Using Microwaves
- Formation of Stationary Waves
- Explanation of Stationary Waves
- Example of Stationary Waves
- Stationary Waves on a String
- Pitch
- Oscilloscope
- Measuring the Speed of Ultrasound
5. Optics
- Refraction of Light
- The Refractive Index
- Refraction from Air to Glass and Glass to Air
- Refraction by a Trianglar Prism
- Explaining Refraction
- Refraction at a Boundary
- White Light
- Total Internal Reflection
- Diamonds
- Optical Fibres
- Material(Spectral) Dispersion
- Modal (Multipath) Dispersion
- Medical Endoscope
- Young's Double Slit
- The Double Slit Equation
- Coherence
- Wavelength and Interference
- White Light Fringes
- Lasers
- Diffraction
- Diffraction of Water Waves
- Single Slit Diffraction
- Young's Fringes
- Explaining Single Slit Diffraction
- Diffraction Grating
- More on the Diffraction Grating Equation
- Types of Spectra
6. Forces in Equilibrium
- Vector and Scalar Quatities
- Vector Quantities
- Adding Vectors - Scale Diagram
- Resolving Vectors
- Adding Two Perpendicular Vectors
- Equilibrium
- Three Forces in Equilibrium
- Moments
- The Principle of Moments
- Centre of Mass
- Couples
- Stable Equilibrium
- Tilting and Toppling
- Tilting
- Toppling
- Objects On a Slope
- Free Body Force Diagrams
- Triangle of Forces
- Condition for Equilibrium
- How to Lift a Weight
7. Motion
- Speed and Velocity
- Average Speed and Instantaneous Speed
- Distance-time Graphs
- Displacement-time Graphs
- Uniform Acceleration
- Non-uniform Acceleration
- Constant Acceleration Formulae
- Inclined Plane Test
- Acceleration Due to Gravity
- Practical: Measuring g
- Distance-Time vs Displacement-Time Graphs
- Speed-time vs Velocity-time Graphs
- Projectiles
- Vertical Projection
- Horizontal Projection
- Projectile Motion
- The Effect of Air Resistance
8. Newtons Laws of Motion
- Newton's First Law of Motion
- Investigating Force and Motion
- Newton's Second Law of Motion
- Weight
- Resultant Forces
- Sliding Down a Slope
- Object Falling in a Fluid
- Terminal Speed
- Motion of a Powered Vehicle
- Stopping Distance
- Thinking Distance
- Braking Distance
- Practical: Measuring Friction
- Impact Force
- Contact Time and Impact Time
- Car Safety
9. Force and Momentum
- Momentum
- Momentum and Newtons Laws of Motion
- The Rate of Change of Momentum
- Definition of the Newton
- Constant vs Changing Mass
- Force-Time Graphs
- Force-Time Graphs for Impacts
- Rebound Impacts
- Newton's Third Law of Motion
- The Principle of Conservation of Momentum
- Practical: Testing Conservation of Momentum
- Collisions
- Elastic Collisions
- Inelastic Collisions
- Explosions
- Testing a Model Explosion
10. Work, Energy and Power
- Principle of Conservation of Energy
- Work Done
- Force-Distance Graphs
- Kinetic Energy
- Gravitational Potential Energy
- Gravitational-Kinetic Energy Transfers
- Pendulum
- Fairground Ride
- Power
- Muscle Power
- Electrical Power
- Engine Power
- Drag Force
- Machines and Work
- Electric Motor
- Pulley System
- Efficiency
- Improving Efficiency
- Renewable Energy - Wind Power
- Renewable Energy - Water Power
- Renewable Energy - Solar Power
11. Materials
- Density
- Measuring Density
- The Density of Alloys
- Hooke's Law
- Springs in Parallel
- Springs in Series
- The Energy Stored in a Stretched Spring
- Tensile and Compressive Forces
- Tensile Stress
- Tensile Strain
- Young Modulus
- Stress-Strain Graph for Metal Wire
- Definitions
- Other Stress-Strain Curves
- Loading and Unloading
- Strain Energy
- Polythene
- Rubber
12. Electric Current
- Electrical Conduction
- Electric Current and Electric Charge
- Charge Carriers
- The Emf of a Source
- Potential Difference
- Energy Transfer
- Electric Power
- Resistance
- Measuring Resistance
- Ohm's Law
- Resistivity
- Superconductivity
- Electronic Components
- Investigating the Characteristics of Components
- IV Graphs
- Fixed Resistors
- Filament Lamp
- Thermistors and Light Dependent Resistors
- Diodes
- Resistance and Temperature
13. Direct Current Circuits
- Current Rules
- Potential Difference Rules
- Resistors in Series
- Resistors in Parallel
- Resistance Heating
- Internal Resistance
- Power
- Measuring Internal Resistance
- Cells in Series
- Cells In Parallel
- Diodes in Circuits
- The Potential Divider - Fixed p.d.
- The Potential Divider - Variable p.d.
- Sensor Circuits - Temperature
- Sensor Circuits - Light