OCR A level Physics: Chapter 24 Particle Physics is apart of the Module 6: Particle and Medical Physics All presentations come with worked examples, solutions and homeworks. 24.1 Alpha-particle scattering experiment 24.2 The Nucleus 24.3 Antiparticles, Leptons, & Hadrons 24.4 Quarks 24.5 Beta decay Developments of scientific models Thompson’s plum-pudding model Rutherford’s nuclear (planetary) model Rutherford’s experiment, observations, and conclusions Using Coulomb’s law to find the minimum distance between particles Nucleons Isotopes Nuclear notation Atomic mass units (u) Radius for atomic nucleus equation Volume and density of atomic nuclei The strong nuclear force Antiparticles, their properties, and symbols Particle and antiparticle annihilation The four fundamental forces (strong nuclear, weak nuclear, electromagnetic, and gravitational forces) and their properties. Definition and examples of hadrons and leptons. The Standard Model of particle physics Quarks, anti-quarks and their charges Baryons and mesons Properties of neutrinos Nuclear notation Nuclear decay equations Beta-plus and beta-minus decays Quark transformation

OCR AS level Physics presentations for module 3: Forces in Action. All presentations come with worked examples, solutions and homeworks. This covers topics from weight as a force to Archimedes’ principle.

OCR AS level Physics presentations for module 4: Energy, Power, and Resistance. All presentations come with worked examples, solutions and homeworks. This covers topics from Kirchhoff’s laws to potential dividers and sensing circuits.

All resources for P8.1 Physics on the move GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material. Average speeds of walking, running, cycling, cars, trains, wind, sound, and light. The speed equation The acceleration equation Explaining average speed camera Explaining instantaneous speed camera Estimating everyday accelerations Calculating speed from rotation speed and circumference of wheels Converting from miles per hour to meters per second Reaction time definition Factors that increase reaction time Simple reaction time experiment Thinking distance Rearranging equations Speed equation (Final velocity)2 – (Initial velocity)2 = 2 x Acceleration x Distance v2 – u2 = 2 a s Factors affecting braking distance Total stopping distances Calculating area of a velocity-time graph for displacement (distance traveled). Rearranging equations MOT testing Large accelerations produce large forces. Values of g that cause severe injury or death Road Safety Newton’s First Law and seat belts Crumple zones Force = Mass x Acceleration Acceleration = Change in velocity /Time taken Estimating speed, accelerations and forces involved in large accelerations for everyday road transport.

OCR AS level Physics: Charge and Current is a part of the Module 4: Electrons, Waves, and Photons. All presentations come with worked examples, solutions and homeworks. Fundamental charge and relative charge Structure of a metal Conventional current and electron flow Measuring current with an ammeter Ionic solutions with cations and anions. Ions, relative charge and absolute charge Comparing ionic solutions and metal conductors Apply Kirchhoff’s First Law Kirchhoff’s First Law in mathematical form Kirchhoff’s First Law in written form Describing conservation laws Women in Science - Emmy Noether CERN and jobs in physics Number density for conductors, semi-conductors, and insulators Calculating cross-sectional area Apply the mean drift velocity equation. Derivation of Mean Drift Velocity Equation

OCR AS level Physics presentations for module 4: Energy, Power, and Resistance. All presentations come with worked examples, solutions and homeworks. This covers topics from circuit symbols to paying for electricity. All circuit symbols required for OCR A level physics Polarity of cells and batteries Electron flow and conventional current Calculating the base SI units for volts Comparing potential difference and electromotive force (emf). Circuit diagrams for measuring potential difference and emf. Calculating energy dissipated in a circuit. The structure of an electron gun. The electron gun in the history of science (J.J. Thomson). Rearranging equations to equate kinetic energy and work done. Accelerating potential differences Comparing the protons and electrons accelerated in a potential difference Definition of an ohm. Temperature and resistance for metallic conductors (wires) The ohm in base SI units I against V graphs and resistance I-V Characteristics curves for ohmic components I-V Characteristics curves for non-ohmic components Circuit diagrams used to measure I and V. Describing I-V Characteristics curves Polarity of diodes Conventional current and diodes Plotting I-V curves for diodes Describing I-V curves for diodes Factors affecting resistance Calculating resistivity Resistivity and temperature Experimentally determining resistivity Using a graph to calculate resistivity Thermistor uses Thermistors with negative temperature coefficients Plotting I-V curves for thermistors Creating an experiment to test thermistors. Materials and uses of LDRs Creating an experiment to understand LDRs LDRs relationship with light intensity Converting time to hours Using different units for electrical energy Converting from J to kW hr Calculating the cost of using different electrical appliances.

OCR AS level Physics presentations for module 4: Quantum Physics. All presentations are full lesson PowerPoints with worked examples and homeworks with complete worked answers. The Photon Model Energy of a single photon Converting from electron-volts to Joules. Frequency of the electromagnetic spectrum Determining Plank’s constant with LEDs Threshold potential difference difference Photoelectric Effect Threshold frequency Producing photoelectrons Kinetic energy of photoelectrons Linking frequency and wavelength The electromagnetic spectrum, frequency and energy. Einstein’s Photoelectric Equation The photoelectric equation Work function and Kinetic Energy Determining work function from a graph Determining threshold frequency from a from graphical analysis. Determining Plank’s constant from graphical analysis. Wave Particle Duality deBroglie wavelength equation Diffraction of electrons and protons Comparing wavelengths of particles with different masses Kinetic energy and wavelength