These are some of the 600+ videos that I have made covering the content for both Year 12 and Year 13, as well as the new Practical Endorsement. Year 12 videos are all available on YouTube so please click on the title to see the full video.

## Quantities and Units

The essentials you need to know to understand the rest of Physics.

## Scalars and Vectors

What is the difference between speed and velocity?

## Forces

Looking at both the net force on an object and also cases of equilibrium.

## Newton's Laws

Hundreds of years old but still incredibly useful.

## Lenses

How we form images from the refraction of light.

Reall important conecpts used across Physics.

## Electricity

A topic that many find suprisingly tricky - but it doesn't have to be that way.

## Particle Physics

This is where it gets really interesting.

## Waves

A large topic that extends your GCSE knowledge considerably.

## Quantum Physics

This is where it gets really interesting.

## Behaviour of Materials

The basics that mechanical engineering is built on

## Lasers

Frickin' Laser Beams

## Practical Skills for the Practical Endorsement

The videos below are all available for students who have a paid subscription to this material.

## Circular Motion

Round and round...

• Angular Velocity and Tangential Velocity

• Examples of Angular Velocity

• Centripetal Acceleration and Centripetal Force

• Centripetal Force at an Angle

• Vertical Circular Motion

• Deriving Centripetal Acceleration

## Gravity and Orbits

Round and round...

• Gravitational Fields

• Newton's Law of Gravitation

• Gravitational Field Strength

• Kepler's Three Laws

• Why T^2 ir proportional to r^3

• Satellites

• Gravitational Potential

• Gravitational Potential Energy

• Energy of a Satellite

• Escape Velocity

## Thermal Physics

What's the difference between heat and temperature?

• Temperature and the Absolute Thermodynamic Scale

• Solids, Liquids and Gases

• Brownian Motion

• The difference between Heat and Temperature

• How Temperature changes with Internal Energy

• Specific Heat Capacity

• Latent Heat

• The Mole

• Pressure of a Gas

• Boyle's Law

• Derivation of pV=nRT

• Boltzmann's Constant

• Assumptions for the Kinetic Theory of Ideal Gases

• Pressure and Temperature for an Ideal Gas

• Derivation of pV=1/3Nmc^2

• Maxwell-Boltzmann Distribution

• Ideal Gas Equation and the Molar Gas Constant

• Temperature and the Average Kinetic Energy of a Gas Particle

## Simple Harmonic Motion

Oscillations and damped motion too.

• shm Terminology

• Angular Frequency and Phase Difference

• The Defining Equation for shm

• Deriving the Equation for the Velocity of an object in shm

• Deriving the Equation for a Simple Pendulum

• Deriving the Equation for a Mass-Spring System

• Solutions to the shm Equation x=Asinwt

• shm Graphs of Displacement, Velocity and Accelaration

• shm - how to time an oscillator

• Energy in a Pendulum or Oscillating Horizontal Mass

• Energy in a Vertical Mass-Spring System

• Resonance

• Damping

## Medical Physics

This is real life physics in action.

• X-ray Production and Machines

• X-ray Absorption and Attenuation

• X-ray Interactions (Photoelectric, Compton and Pair Production)

• X-ray Image Intensifiers

• CAT Scanners

• Medical Tracers

• The Gamma Camera

• PET Scanners

• Ultrasound A and B Scans

• Ultrasound Acoustic Impedance

• Ultrasound Doppler Sonography

• MRI Principles

• MRI Machines

## Thermodynamics

Including engine cycles.

• 1st Law of Thermodynamics

• Isothermal Changes

• Constant Pressure and Volume Changes

• Work Done by a Gas

• Heat Engines

• Petrol Engines and the Otto Cycle

• Diesel Engines

• Heat Engine Thermal Efficiency

• Overall Engine Efficiency

• Reversed Heat Engines (Fridges and Heat Pumps)

This is where it gets really interesting.

• Rutherford's Alpha Scattering Experiment

• The A to Z of Isotopes

• Size, Mass and Density of the Nucleus

• What Holds the Nucleus Together?

• The Standard Model of Physics

• Baryons and Mesons

• Beta Decay and its Nuclear Equations

• Electron Capture

• Feynman Diagrams

• Why is there Radioactive Decay?

• Alpha, Beta, Beta and Gamma Radiation

• Range and Penetration

• How to Use radioactive Sources

• Cup Sources

• Alpha Particles in a Cloud Chamber

• The Spark Counter

• Exponential Decay with Skittles

• Activity and Decay Constant

• Exponential Decay Equations

• Half Life

• Mass Defect and Einstein's Eqaution

• Binding Energy and why things Fuse or Fission

• Carbon Dating

• Induced Fission

• The Fission Reactor

• Fusion and the Proton-Proton Chain

• The Geiger-Muller Tube

## Rotational Dynamics

An extension of circular motion

• Rotational Kinetic Energy

• Moment of Inertia

• Angular Acceleration

• Torque

• Work and Power

• Rotational Equations

• Angular Momentum

• Translations vs. Rotational

## Capacitors

Useful components and an example of exponential decay.

• Inside a Capacitor

• Capacitors in Series and Parallel

• Energy in a Capacitor

• The Time Constant. RC Circuits, and Exponential Discharge

• Charging a Capacitor

• Uses of a Capacitor

## Electric and Magnetic Fields

Introducing the big 'E' and the new big 'B'.

• Introduction to Electric Fields

• Coulomb's Law

• Gravitational vs. Electric Fields

• Uniform Electric Field Strength

• Parallel Plate Capacitors and Permittivity of Free Space

• Capacitance of an Isolated Sphere

• Electric Potential and Electric Potential Energy

• Charged Particles in Electric Fields

• Millikan's Oil Drop Experiment

• Magnetic Fields around Permanent Magnets

• Fleming's Left Hand Rule

• Force equals Bil

• Force on charged particles in magnetic fields

• Charged Particles in E and B Fields

• How do Motors Work?

• EM Induction with Faraday's and Lenz's Law

• Magnetic Flux and Magnetic Flux Density

• The AC Generator

• How Transformers Work

• The Transformer Equations

• Magnetic Field in a Solenoid

• Magnetic Field around a Wire

## Astrophysics

The physics of everything!

• Objects in the Universe

• Formation of Stars

• Evolution of Low Mass Stars

• Evolution of Massive Stars

• The Hertzsprung-Russell Diagram

• Electron Energy Levels

• Continuous, Emission and Absorption Line Spectra

• Wien's Displacement Law

• Stefan's Law

• The Astronomical Unit, Light Year and Parsec

• Stellar Parallax

• The Doppler Effect and Redshift

• The Cosmological Principle

• Hubble's Constant and the Big Bang

• Calculating the Age of the Universe

• The Big Bang

• Evolution of the Universe

• Derivation of Critical Density

• Fate of the Universe

• Dark Matter and Dark Energy

## Turning Points

One of the most interesting areas studied at A Level.

• Thermionic Emission

• Forces on a Moving Charge

• Electron Tubes

• Measuring the Charge to Mass with a Deflection Tube

• Measuring the Charge to Mass Ratio with a Fine Beam Tube

• Thomson's Value of e/m

• Millikan's Oil Drop Experiment

• Newton's Corpuscles of Light

• Huygens' Wave Theory

• Young's Fringes

• Maxwell's EM Waves

• The Michelson-Morley Experiment

• Special Relativity

• Gamma Factor and Time Dilation

• Muons and Time Dilation

• Length Contraction

• Relativistic Mass