4. Electrons, Waves & Photons (OCR A Level Physics) Get ready for your OCR A Level Physics exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.
4. Electrons, Waves & Photons Revision Notes Charge & Current Electric Current & Charge Electric Current & Electron Flow Kirchhoff's First Law Current in a Current Carrying Conductor Conductors, Semiconductors & Insulators Circuit Symbols & Diagrams Resistance & Resistivity Resistance Ohm's Law & I-V Characteristics Investigating Electrical Characteristics of Components The Light-Dependent Resistor (LDR) Resistivity Determining the Resistivity of a Metal Thermistors Series & Parallel Circuits Power Electrical Energy Kirchhoff's Second Law Kirchhoff's Laws in Circuits Resistors in Series & Parallel Circuits Series & Parallel Circuits Circuits with Multiple Sources of e.m.f E.m.f & Internal Resistance E.m.f & Internal Resistance Calculating E.m.f Determining Internal Resistance E.m.f & Potential Difference Energy Transfer Potential Dividers Potential Divider Circuits Variable Resistance Components Investigating Potential Divider Circuits Longitudinal & Transverse Waves Progressive Waves: Longitudinal & Transverse Calculating Frequency The Wave Equation Graphical Representations of Transverse & Longitudinal Waves Intensity of a Wave EM Waves The Electromagnetic Spectrum Polarisation Refraction & Reflection Refraction Total Internal Reflection Wave Phenomena Superposition & Stationary Waves Superposition Graphical Representation of Superposition Interference Two-Source Interference Young Double-Slit Experiment Determining the Wavelength of Light Stationary Waves Stationary vs Progressive Waves Nodes & Antinodes Determining the Speed of Sound in Air in a Resonance Tube Harmonics The Photoelectric Effect The Photoelectric Effect Demonstrating the Photoelectric Effect The Photoelectric Equation Work Function & Threshold Frequency Maximum Kinetic Energy & Intensity Photons & Wave-Particle Duality The Photon The Electronvolt Determining the Planck Constant Electron Diffraction The de Broglie Equation 4. Electrons, Waves & Photons Exam Questions Charge & Current Multiple Choice Questions Resistance & Resistivity Multiple Choice Questions Structured Questions Series & Parallel Circuits Multiple Choice Questions Structured Questions E.m.f & Internal Resistance Multiple Choice Questions Structured Questions Potential Dividers Multiple Choice Questions Structured Questions Longitudinal & Transverse Waves Multiple Choice Questions Structured Questions EM Waves Multiple Choice Questions Refraction & Reflection Multiple Choice Questions Structured Questions Superposition & Stationary Waves Multiple Choice Questions Structured Questions The Photoelectric Effect Multiple Choice Questions Structured Questions Photons & Wave-Particle Duality Multiple Choice Questions Structured Questions OCR A Level Physics Past Papers