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Extra Premium Videos

For those who have signed up for an individual Premium Plan or for School Subscribers

     Introduction to Year 13 Physics

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     Circular Motion

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  • The Radian

  • 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

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     Oscillations and Simple Harmonic Motion

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  • 'shm' Terminology

  • Angular Frequency and Phase Difference

  • The Defining Equation for shm

  • How to Time an Object in 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 Acceleration

  • shm - how to time an oscillator

  • Energy in a Pendulum or Oscillating Horizontal Mass

  • Energy in a Vertical Mass-Spring System

  • Resonance

  • Damping

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     Gravitational Fields and Orbits

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  • Gravitational Fields

  • Newton's Law of Gravitation

  • Gravitational Field Strength

  • Kepler's Three Laws

  • Why T^2 is proportional to r^3

  • Satellites

  • Gravitational Potential

  • Gravitational Potential Energy

  • Energy of a Satellite

  • Escape Velocity

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     Electric and Magnetic Fields

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  • Introduction to Electric Fields

  • Coulomb's Law

  • Radial Electric Fields

  • 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

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     Capacitors

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  • 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

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     Alternating Circuits

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  • RMS Values

  • Rectifying Circuits

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     Particle Physics and Radioactivity

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  • 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 Equation

  • 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

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     Thermal Physics and Ideal Gases

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  • 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

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     Astrophysics

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  • 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

  • Olber's Paradox

  • 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

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     Telescopes

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  • Astronomical Refracting Telescopes

  • Magnification of Refracting Telescopes

  • Cassegrain Reflecting Telescopes

  • Refracting vs. Reflecting

  • Radio, IR, UV and X-ray Telescopes

  • Rayleigh Criterion

  • Quantum Efficiency, CCDs and the Eye

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     Medical Physics

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  • 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

  • MRI Advantages and Disadvantages

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     Rotational Dynamics

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  • Rotational Kinetic Energy

  • Moment of Inertia

  • Angular Acceleration

  • Torque

  • Work and Power

  • Rotational Equations

  • Angular Momentum

  • Translations vs. Rotational

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     Thermodynamics

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  • 1st Law of Thermodynamics

  • Isothermal Changes

  • Adiabatic 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)

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     Turning Points

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  • 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

  • Hertz's Radio Waves

  • The Michelson-Morley Experiment

  • Special Relativity

  • Gamma Factor and Time Dilation

  • Muons and Time Dilation

  • Length Contraction

  • The Twins Paradox

  • Relativistic Mass

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     Worked Example Exam Questions

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  • Newton's Laws and Forces

  • ​Velocity-Time Graphs, Energy and Work Done

  • ​Acceleration due to Gravity and Resultant Force

  • ​Upthrust and Identifying Forces

  • ​Total Internal Reflection and Refractive Index

  • ​Path and Phase Difference, Superposition and Interference

  • ​Diffraction of Radio Waves and Energy of a Photon

  • ​Lamps in Series and Parallel, IV Characteristics of a Lamp

  • ​Measuring Density Practical

  • ​Standing Wave in a Tube Practical

  • ​Ball Drop Practical

  • ​Resistivity Practical

  • Magnetic Fields and Electrons

  • ​Alpha Scattering Experiment

  • ​Particle Accelerators

  • ​Capacitors​

  • ​Fusion in stars and on Earth

  • ​Pulsars, Circular Motion and the Doppler Effect

  • ​Doppler effect and Light

  • ​Kinetic Theory

  • ​Resonance of a String

  • ​Circuits with I, V and Natural Logs

  • ​Data Analysis

  • ​Gamma Absorption

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     Past Paper Walkthroughs

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