O Level Physics Notes

Alpha, Beta and Gamma Radiation

Circuit Symbols

Conservation of Energy


Fission Reactors

Purposes of Components in Electric Circuits

S and P Waves


Sound Waves


Convex Mirrors – Ray Diagrams

Longitudinal and Transverse Waves

Plane Mirrors

Static Electricity

Moments - The Lever Principle

Conservation of Energy

Sonar and Radar

AC Generators

DC Motors

Dispersion of Light

Electromagnetic Waves

Newton's Three Laws of Motion

The Atom

Waves - Refraction

Air Bags, Seat Belts and Crumple Zones

Centres of Gravity


Long and Short Sightedness

The Potential Divider

Thinking, Braking and Stopping Distance

Scalars and Vectors

Dry Cell Battery

Velocity Time Graphs

Distance Time Graphs

The Simple Camera


Simple Relays and Reed Relays

Nuclear Power

Lightning Conductors

The Gold Leaf Electroscope

The Siphon

The Bimetallic Strip


Multiple Images

Saturated Vapour Pressure

Boiling Liquids

Dew Point

Mirages and Rainbows


The Earth's Magnetic Field - Inclination or Dip

Filament, Discharge and Fluorescent Lamps

Measuring the Approximate Size of a Molecule

The Davy Safety Lamp

The Projector

The Thermopile

Primary and Secondary Colours

Types of Capacitor

The Distribution of Charge over the Surface of a Conductor

The Common Lift Pump

The Force Pump

Six's Maximum and Minimum Thermometer

The Domestic Hot Water Supply System

The Electric Bell

The Aneroid Barometer


Domestic Electrics

The Induction Coil

The Moving Coil Loudspeaker


The Inverse Square Law for Electromagnetic Waves

Jet and Rocket Propulsion

Stable, Unstable and Neutral Equilibrium

The Fortin Barometer

The Simple Cell

SI Units

The Density of Air


The Telephone

The Absolute Temperature Scale

Lost Volts



Land and Sea Breezes

The Induction Furnace

The Speedometer

The Hydraulic Press

The Density Bottle

Making Ice By Evaporation

The Preserving Jar

Pressure Changes While Diving and Flying

The Crushing Can Experiment

The Magdeburg Hemispheres

The Vacuum Pump

The Hydraulic Brake

Finding the Relative Density of Two Liquids Using Hare's Apparatus

Sinking or Floating in Water

Brownian Motion

The Nature of the Force Between Atoms and Molecules

Frost Heave

Why Ice is Slippery

Useful and Practical Applications of Thermal Expansion

The Importance of the Anomalous Expansion of Water for Life on Earth

Humidity Requirements

The Wet and Dry Bulb Hygrometer

The Pressure Cooker

Joule's Experiments

The Steelyard

The Rate of Diffusion of a Gas

The Gas Discharge Tube

The Mechanism of Light Production by a Gas Discharge Tube

The Maltese Cross Tube

Barlow's Wheel

The Quality or Timbre of a Musical Note

Convex Driving Mirrors

A Fish's Eye View of the World

Proof that the Focal Length of a Spherical Mirror is Half the Radius of Curvature

Spherical Mirrors of Large Aperture

The Vacuum Flask

The Observations of Count Rumford

The Ignition Point of a Gas

Origins of Electromagnetic Radiation

The Engineers Vice

Forced Convection

Factors Which Affect the Speed of Sound in Air

The Wheel and Axis Principle

Parallelograms and Triangles of Forces

Three Forces in Equilibrium

Electric Wind

Ions in a Flame

Disintegration of Nuclei by Neutrons

The Mechanism of Lightning Production

Half Wave Rectification

Full Wave Rectification

Air Lubrication

Proving the Formula for the Kinetic Energy pof a Body

Uses of Hard and Soft Magnetic Materials

Faraday's Ice Pail Experiments

The Van de Graff Particle Accelerator

Using a Shunt With an Ammeter to Measure Large Currents

Back EMF in an Electric Motor

Galileo's Air Thermometer

Clockwise and Anticlockwise Moments


The Lead Acid Battery

The Choke

The Ferryman's Problem

The Voltaic Pile

Faults of the Simple Cell

The Leclanche Cell

Primary and Secondary Cells

Storing Charge in Early Electric Machines

The Leyden Jar

How a Fridge Works

Values of Resistors

The Linear Particle Accelerator

The Moving Iron Ammeter

The Moving Coil Ammeter

Pressure in a Fluid

The Gas Thermostat

Musical Scales

Youngs Double Slit Experiment

Sound Waves in Pipes

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