Physics Edexcel A-Level Revision
Complete topic breakdowns, revision notes, exam practice questions, and adaptive quizzes for the Edexcel A-Level Physics specification.
Specification Topics
Top Exam Tips
- Ensure all calculations are shown clearly with appropriate units
- Be prepared to interpret I-V characteristics for non-ohmic components
- Practice analyzing potential divider circuits with variable resistors
- Understand the physical models behind resistance changes in thermistors and LDRs
- Use significant figures appropriately in all calculations
Common Mistakes to Avoid
- Confusing e.m.f. with terminal potential difference
- Incorrectly applying Ohm's law to non-ohmic components
- Misinterpreting I-V graphs for non-linear components
- Errors in deriving or applying series and parallel resistance formulas
- Incorrect use of units for resistivity and other derived quantities
Key Terminology & Definitions
- Wave characteristics and the universal wave equation
- The Electromagnetic Spectrum and wave-matter interactions
- Reflection, refraction, and total internal reflection
- Wave-particle duality and the photoelectric effect
- Simple Harmonic Motion (SHM) kinematics and dynamics
- Energy transformations in oscillating systems
- Damping (light, heavy, critical) and its effect on amplitude
- Forced oscillations and resonance
- Internal energy and the First Law of Thermodynamics
- Kinetic theory of gases and the Boltzmann constant
- Thermal properties of materials including specific heat capacity and latent heat
- Ideal gas laws and the equation of state
- Alpha, beta, and gamma radiation characteristics
- Radioactive decay equations and conservation laws
- Half-life and activity calculations