OCR AS Physics: Analysing Circuits is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Kirchhoff’s Laws for potential difference Thermistors and LDRs in sensing circuits Ratio of resistances and ratio of potential differences

OCR AS Physics: Diffraction and Polarisation is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

This presentation covers OCR Gateway Physics 9-1 P3.2.5 LDR and Thermistors. Circuit Symbols Uses of LDRs and Thermistors Plotting data and characteristic curves Conductors, insulators, and semiconductors Experiment into resistance and temperature of a thermistors Investigation into resistance and light level of a LDR

This presentation covers OCR Gateway Physics 9-1 P2.2.4 Newton’s Second Law in Mathematical Form Proportionalities Rearranging Equations Student’s problems with answers Exam style questions with solutions

This presentation covers OCR Gateway Physics 9-1 P2.2.7 Work done equation Rearranging work done equation Questions and answers for work done Power equation and definition Rearranging power equation Different units for work done: J, N m, kg m^2/s^2

These two lesson presentations covers the OCR Gateway Physics 9-1 P2.3.1 material. • Number of forces needed to deform an object • Elastic and Plastic definitions • Hooke’s Law • Rearranging equations • Determining the gradient • Determining the spring constant • Experimental procedure • Exam style questions with solutions

OCR AS level Physics: Scalar and Vector Quantities is a part of the Module 2: Foundations of Physics Full lesson PowerPoint with worked examples and homework with complete worked answers. Definition of scalars and vectors Adding quantities with the same units Determining if a quantity is a vector or scalar from an equation Comparing displacement and distance

OCR AS level Physics: Displacement and Velocity is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Stopping Distances is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Work Done and Energy is a part of the Module 3: Work, Energy and Power. Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Power and Efficiency is a part of the Module 3: Work, Energy and Power. Presentation come with worked examples, solutions and homeworks.

OCR AS Physics: Electrical Energy & Power is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Derive three equations for electrical power Applying electrical power equations Create a circuit diagram to calculate power Base units for V A and W.

OCR AS Physics: Internal Resistance is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Find lost volts and terminal potential difference from a source of emf Calculate internal resistance of a cell Calculate internal resistance of a cell with a graph Calculate EMF of a source

This lesson presentations covers OCR Gateway Physics 9-1 P4.2.5 Transformers. Examples of transformers in everyday life Structure of a transformer Step-up and Step-down transformers Transformer equation and rearranging equations. Worked Examples and Student problems with worked solutions. Explanation for use of step-up transformers - efficiency

OCR AS Physics: LDR is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Materials and uses of LDRs Creating an experiment to understand LDRs LDRs relationship with light intensity

This presentation covers OCR Gateway Physics 9-1 P4.2.1 Forces, Current and Fleming’s Left Hand Rule. This presentation includes: Interacting Magnetic Field Lines Increasing Magnitude of the force on a current carrying conductor Applying Fleming’s Left Hand Rule

This presentation covers OCR Gateway Physics 9-1 P1.3.1 Gas Pressure and Temperature This presentation includes: Introduction to kinetic theory Relationship between temperature and pressure Force by gas particles being normal to surface Graph plotting - Extrapolation to absolute zero Health and safety video on gas canisters and fires

This presentation covers material for OCR Physics Gateway 9-1 P2.1.1 Covered: Measuring and calculating Accuracy of stop watch vs light gate Conversion of units Exam style question Worked examples Students questions with answers

OCR AS Physics A: The Photon Model is a part of the Module 4: Electrons, Waves, and Photons. Full lesson PowerPoint with worked examples and homework with complete worked answers. 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

OCR AS level Physics: Current and Charge is a part of the Module 4: Electrons, Waves, and Photons. Presentation come with worked examples, solutions and homeworks.