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OCR AS-level Physics

OCR Physics A (H156)9 topics126 lessons

OCR AS-level Physics revision for OCR Physics A (H156): 9 topics and 126 short lessons, each with R.E.C.I.P.E. recall steps and a quiz. The topics follow the OCR specification.

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1. Quantities and Units

10 lessonsSpec 2.1.1, 2.1.2, 2.3.1

  1. Physical Quantities.
  2. SI Base Units.
  3. Prefixes.
  4. Derived Quantities and Units.
  5. Scalar Quantities.
  6. Vector Quantities.
  7. Adding Perpendicular Vectors.
  8. Resolving Vectors into two Components.
  9. Adding Non-Perpendicular Vectors
  10. Subtracting Vectors

2. Measurements and Uncertainties

12 lessonsSpec 2.2.1

  1. Random and Systematic Errors
  2. Precision and Accuracy
  3. Absolute and Percentage Uncertainty
  4. Combining Uncertainties
  5. Uncertainties from Repeated Readings
  6. Plotting Graphs
  7. Error Bars
  8. Best-fit and Worst-fit Lines
  9. Uncertainty in a Gradient and Intercept
  10. Straight-line Graphs y = mx + c
  11. Logarithmic Graphs
  12. Estimating Physical Quantities

3. Forces and Motion

17 lessonsSpec 3.1.1, 3.1.2, 3.1.3, 3.2.1, 3.2.2, 3.2.3, 3.2.4

  1. Average Speed
  2. Displacement and Velocity
  3. Displacement on a Velocity-time Graph
  4. Acceleration
  5. Equations of Motion - Uniform Acceleration
  6. Free Fall Under Gravity
  7. Projectile Motion
  8. Car Stopping Distances
  9. Weight, Mass, Acceleration
  10. Centre of Mass
  11. Free-Body Force Diagrams
  12. Drag and Terminal Velocity
  13. Moments and Equilibrium
  14. Couples and Torques
  15. Forces in Equilibrium
  16. Density and Pressure
  17. Pressure in Fluids and Archimedes Principle

4. Work, Energy and Power

10 lessonsSpec 3.3.1, 3.3.2, 3.3.3

  1. Work Done and Energy
  2. Work Done at and Angle to Motion
  3. Principle of Conservation of Energy
  4. Forms of Energy
  5. Kinetic Energy
  6. Gravitational Potential Energy
  7. Energy Transfer
  8. Power
  9. Power and Motion
  10. Efficiency

5. Materials

14 lessonsSpec 3.4.1, 3.4.2

  1. Tensile and Compressive Forces
  2. Hooke's Law
  3. The Force Constant k
  4. Investigating Hooke's Law
  5. Elastic Potential Energy
  6. Metal Wire Deformation
  7. Rubber
  8. Polythene
  9. Tensile Stress
  10. Tensile Strain
  11. Stress-Strain Graph
  12. The Young Modulus
  13. Measuring the Young Modulus
  14. More Stress-Strain Graphs

6. Momentum

14 lessonsSpec 3.5.1, 3.5.2

  1. Newton's First Law of Motion.
  2. Newton's Second Law of Motion
  3. Newton's Third Law of Motion
  4. The Four Fundamental Forces
  5. Linear Momentum
  6. Conservation of Momentum
  7. Explosions vs Collisions
  8. Elastic and Inelastic Collisions
  9. Air Bags
  10. Conservation of Momentum as a Consequence of Newton's Laws
  11. Impulse and Force-time Graphs
  12. Adding Momentum
  13. Resolving Momentum
  14. Conservation of Momentum in Two Dimensions

7. Electricity

30 lessonsSpec 4.1.1, 4.1.2, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.3.1, 4.3.2, 4.3.3

  1. Electric Charge
  2. Electric Current
  3. Millikan's Oil Drop Experiment
  4. The Flow of Charge in Metals and Electrolytes
  5. Kirchhoff's First Law and Conservation of Charge
  6. Conductors and Semi-Conductors
  7. Current and Drift Velocity
  8. Potential Difference
  9. Electromotive Force
  10. The Electron Gun
  11. Resistance
  12. Ohm's Law
  13. Temperature and Resistance
  14. IV Graphs
  15. Diodes
  16. Resistivity
  17. Temperature and Number Density
  18. The Thermistor
  19. The Light Dependent Resistor
  20. Electrical Power
  21. Electricity in the Home
  22. Kirchoff's Second Law
  23. Series Circuits
  24. Parallel Circuits
  25. Combining Resistors
  26. Analysing Circuits
  27. Internal Resistance
  28. Potential Divider Circuits
  29. The Potentiometer
  30. Sensing Circuits

8. Waves

15 lessonsSpec 4.4.1, 4.4.2, 4.4.3, 4.4.4

  1. Progressive Waves
  2. Wave Properties
  3. Phase Difference
  4. Reflection and Refraction
  5. Diffraction
  6. Polarisation
  7. Intensity
  8. Electromagnetic Waves
  9. Refractive Index
  10. Total Internal Reflection
  11. Superposition
  12. Interference
  13. Young's Double Slit Experiment
  14. Stationary Waves
  15. Harmonics

9. Quantum Physics

4 lessonsSpec 4.5.1, 4.5.2

  1. The Energy of a Photon and the Planck Constant
  2. The Electron Volt
  3. The Photoelectric Effect
  4. The Photoelectric Effect Equation and Wave-Particle Duality