By Revision Genie
Working as a Physicist
Unit 1
Base Quantities and SI Units
Derived Quantities and Units
Prefixes in SI Units
Estimating Physical Quantities
Limitations of Physical Measurements
Accuracy and Precision in Experiments
Sources of Experimental Error
Significant Figures in Calculations
Using Scientific Notation
Unit Conversions and Consistency
Graphical Representation of Data
Plotting and Interpreting Graphs
Using Gradients and Intercepts
Communicating Scientific Information
Appropriate Terminology in Physics
Ethical Considerations in Physics
Evaluating Risks and Benefits in Applications
Role of the Scientific Community
Peer Review and Validation of Knowledge
Science and Societal Decision Making
Planning Scientific Investigations
Designing Practical Experiments
Selecting Apparatus and Techniques
Risk Assessment in Experiments
Collecting and Recording Data
Processing and Analyzing Experimental Data
Evaluating Experimental Methods
Measurement Uncertainties and Errors
Calculating Percentage Uncertainty
Combining Uncertainties
Using Error Bars in Graphs
Core Practical Skills Overview
Application of Physics in Real-World Contexts
ICT Tools in Physics Experiments
Scientific Models and Their Applications
Historical Development of Scientific Ideas
Evaluating Conflicting Evidence
Understanding Experimental Design Questions
Mathematical Skills in Physics
Changing the Subject of Equations
Substituting Numerical Values in Formulas
Solving Algebraic Equations
Using Ratios, Fractions, and Percentages
Decimal and Standard Form Calculations
Using Trigonometric Functions in Physics
Dimensional Analysis of Units
Experimental Design and Hypothesis Testing
Applications of Physics in Technology and Economy
Interdisciplinary Connections in Physics
Critical Thinking in Physics
Unit 2
Mechanics
Scalar and Vector Quantities
Resolving Vectors into Components
Resultant of Two Vectors
Equations of Uniformly Accelerated Motion
Displacement-Time Graphs
Velocity-Time Graphs
Acceleration-Time Graphs
Physical Quantities from Graphs
Projectile Motion Basics
Independence of Horizontal and Vertical Motion
Free-Body Force Diagrams
Newton's First Law of Motion
Newton's Second Law of Motion
Terminal Velocity Concept
Newton's Third Law of Motion
Gravitational Field Strength
Weight and Gravitational Force
Momentum Definition and Calculation
Conservation of Linear Momentum
Moment of a Force
Centre of Gravity and Equilibrium
Work Done by a Force
Kinetic Energy Formula
Gravitational Potential Energy Formula
Principle of Conservation of Energy
Power, Energy, and Work Relationship
Efficiency Calculations
Core Practical: Acceleration of Free Fall
Common Exam Trap: Vector Notation
Worked Example: Projectile Motion Calculation
Worked Example: Momentum Conservation Problems
Worked Example: Work Done at an Angle
Exam Trap: Misinterpreting Graph Areas
Exam Trap: Confusing Scalars and Vectors
Exam Trap: Misapplying Newton's Laws
Exam Trap: Incorrect Energy Conversion
Unit 3
Electric Circuits
Definition of Electric Current
Rate of Flow of Charge Equation
Definition of Voltage
Work Done and Charge Equation
Definition of Resistance
Ohm's Law and Its Conditions
Charge Conservation in Circuits
Energy Conservation in Circuits
Resistances in Series
Resistances in Parallel
Power in Electric Circuits Equation
Energy Transfer in Circuits Equation
Deriving Power Equations
Current-Voltage Graphs for Ohmic Conductors
Current-Voltage Graphs for Filament Bulbs
Current-Voltage Graphs for Thermistors
Current-Voltage Graphs for Diodes
Resistivity Equation
Core Practical: Electrical Resistivity Measurement
Explaining Resistivity of Materials
Potential Variation Along a Wire
Principles of Potential Divider Circuits
Calculating Potential Differences in Divider Circuits
Variable Resistance in Divider Circuits
Thermistors in Potential Dividers
Light Dependent Resistors in Potential Dividers
Definition of Electromotive Force (e.m.f.)
Internal Resistance and Terminal Voltage
Core Practical: Measuring e.m.f. and Internal Resistance
Resistance Changes with Temperature
Modeling Resistance in Metallic Conductors
Negative Temperature Coefficient Thermistors
Resistance Changes with Illumination
Modeling Resistance in Light Dependent Resistors (LDRs)
Exam Trap: Misinterpreting Current-Voltage Graphs
Exam Trap: Confusing e.m.f. with Terminal Voltage
Exam Trap: Incorrect Use of Series and Parallel Equations
Exam Trap: Misunderstanding Energy Conservation in Circuits
Worked Example: Calculating Power in Circuits
Worked Example: Combining Resistances in Parallel
Worked Example: Analyzing a Potential Divider Circuit
Worked Example: Deriving Power Equations
Unit 4
Materials
Definition of Density
Calculating Density
Archimedes' Principle and Upthrust
Viscosity and Temperature Dependence
Stokes' Law for Viscous Drag
Laminar Flow vs Turbulent Flow
Core Practical: Falling Ball Method for Viscosity
Hooke's Law Equation
Stiffness Constant (k)
Stress and Strain Definitions
Young Modulus Formula
Force-Extension Graphs
Limit of Proportionality and Elastic Limit
Yield Point and Plastic Deformation
Stress-Strain Graphs
Breaking Stress
Core Practical: Determining Young Modulus
Elastic Strain Energy Formula
Estimating Elastic Strain Energy from Graphs
Energy Change in Non-Linear Force-Extension Graphs
Behavior of Brittle Materials
Behavior of Ductile Materials
Behavior of Polymeric Materials
Elastic and Plastic Deformation
Comparison of Tensile and Compressive Stress
Applications of Young Modulus in Engineering
Exam Trap: Misinterpreting Stress-Strain Graphs
Exam Trap: Confusing Stress and Strain Definitions
Exam Trap: Units in Young Modulus Calculations
Unit 5
Waves and Particle Nature of Light
Amplitude, Frequency, and Period
The Wave Equation
Longitudinal Waves
Transverse Waves
Graphs of Waves
Speed of Sound Practical
Wavefronts and Coherence
Path Difference and Interference
Phase Difference and Path Difference
Standing Waves and Nodes
Speed of Waves on a String
String Frequency Practical
Intensity of Radiation
Refraction and Refractive Index
Critical Angle Calculation
Total Internal Reflection
Measuring Refractive Index Practical
Focal Length of Lenses
Ray Diagrams for Lenses
Power of a Lens
Combination of Lenses
Real and Virtual Images
Lens Equation
Magnification Formula
Plane Polarisation
Diffraction and Huygens' Construction
Diffraction Grating Formula
Wavelength of Light Practical
Wave Nature of Electrons
The de Broglie Equation
Wave Transmission and Reflection
Pulse-Echo Techniques
Wave Model vs Photon Model
Photon Energy Equation
Photoelectric Effect Basics
Threshold Frequency and Work Function
Photoelectric Equation
Electronvolt as Energy Unit
Particle Nature of Light Evidence
Atomic Line Spectra and Energy Levels
Calculating Radiation Frequency from Energy Levels
Unit 6
Further Mechanics
Impulse Equation and Applications
Momentum Conservation Principles
Momentum in Two Dimensions
Elastic vs Inelastic Collisions
Kinetic Energy of Particles
Angular Displacement in Radians and Degrees
Angular Velocity Definition and Equations
Centripetal Acceleration Equations
Centripetal Force and Circular Motion
Centripetal Force Derivation
Circular Motion Worked Examples
Simple Harmonic Motion Conditions
Equations of Simple Harmonic Motion
Oscillation Period for Spring Systems
Oscillation Period for Pendulums
Displacement-Time Graphs in SHM
Velocity-Time Graphs in SHM
Acceleration-Time Graphs in SHM
Resonance Phenomenon in SHM
Energy Conservation in Oscillations
Free vs Forced Oscillations
Amplitude and Resonance Effects
Damping and Plastic Deformation in SHM
CORE PRACTICAL: Force and Momentum Relationship
CORE PRACTICAL: Analyzing Collisions with ICT
CORE PRACTICAL: Resonant Frequencies to Determine Mass
Exam Trap: Momentum in Two Dimensions
Exam Trap: SHM Graph Interrelations
Exam Trap: Circular Motion Misconceptions
Unit 7
Electric and Magnetic Fields
Definition of Electric Fields
Electric Field Strength Formula
Coulomb's Law and Force Between Charges
Electric Field Due to a Point Charge
Electric Potential and Electric Field Relation
Electric Field Between Parallel Plates
Radial Electric Fields and Potential Formula
Field Lines and Equipotentials
Definition of Capacitance
Energy Stored in a Capacitor
Charge and Discharge Curves of Capacitors
Time Constant in RC Circuits
Exponential Discharge Equations for Capacitors
Core Practical: Capacitor Charging and Discharging
Magnetic Flux Density Definition
Magnetic Flux and Flux Linkage
Force on Charged Particles in Magnetic Fields
Fleming's Left-Hand Rule for Charged Particles
Force on Current-Carrying Conductors in Magnetic Fields
Fleming's Left-Hand Rule for Conductors
Factors Affecting Induced EMF in Coils
Relative Motion and Induced EMF
Change of Current and Induced EMF in Coils
Lenz’s Law and Energy Conservation
Faraday’s Law of Electromagnetic Induction
Equation Combining Faraday's and Lenz's Laws
Alternating Current: Frequency and Period
Peak Value and RMS Value of AC
RMS Voltage and Current Equations
Unit 8
Nuclear and Particle Physics
Nucleon Number and Proton Number
Alpha Particle Scattering Experiment
Thermionic Emission
Electric Fields in Particle Accelerators
Magnetic Fields in Particle Accelerators
Principles of Ionisation in Particle Detectors
Deflection in Particle Detectors
Equation for Charged Particle in Magnetic Field
Conservation Laws in Particle Interactions
Interpreting Particle Tracks
High Energy Requirements for Nucleon Structure
Energy-Mass Equivalence in Particle Physics
Units: MeV, GeV, and SI Conversions
Relativistic Particle Lifetime Significance
Quark-Lepton Model: Baryons
Quark-Lepton Model: Mesons
Quark-Lepton Model: Leptons
Quark-Lepton Model: Photons
Prediction of the Top Quark
Particle and Antiparticle Properties
Conservation of Charge in Interactions
Conservation of Baryon Number in Interactions
Conservation of Lepton Number in Interactions
Writing Particle Interaction Equations
Unit 9
Thermodynamics
Heat Transfer: Conduction
Heat Transfer: Convection
Heat Transfer: Radiation
Specific Heat Capacity Equation
Latent Heat Concept
Specific Latent Heat Equation
Internal Energy Definition
Kinetic and Potential Energy in Molecules
Absolute Zero Concept
Kinetic Energy and Temperature Relationship
Kinetic Theory Model
Deriving pV = NkT Equation
Ideal Gas Equation: pV = NkT
Ideal Gas Assumptions
Pressure-Volume Relationship Experiment
Core Practical: Investigating Pressure and Volume
Temperature-Volume Relationship in Gases
Ideal Gas Laws Combined
Root Mean Square Speed of Molecules
Deriving kT = 1/2 m<c^2>
Black Body Radiation Definition
Radiation Curves of Black Body Radiators
Stefan-Boltzmann Law Equation
Using Stefan-Boltzmann Law
Wien's Law Equation
Using Wien's Law
Core Practical: Calibrating a Thermistor
Core Practical: Determining Specific Latent Heat
Exam Trap: Units in Thermodynamics Equations
Exam Trap: Common Mistakes in Ideal Gas Calculations
Exam Trap: Misinterpreting Radiation Curves
Unit 10
Space
Gravitational Fields in Space
Newton's Law of Universal Gravitation
Gravitational Field Strength Formula
Gravitational Potential Formula
Comparing Gravitational and Electric Fields
Orbital Motion and Newton's Laws
Stellar Evolution Overview
The Hertzsprung-Russell Diagram
Life Cycle of Stars
Redshift and the Doppler Effect
Calculating Redshift
Hubble's Law Formula
Determining Astronomical Distances with Parallax
Using Standard Candles for Distance Measurement
Luminosity and Intensity Relationship
Cosmological Distances and Hubble's Law
Controversy Over the Age of the Universe
Dark Matter and Its Implications
Intensity Formula for Light Sources
Estimating the Fate of the Universe
Core Practical: Measuring Parallax
Core Practical: Investigating Stellar Luminosity
Core Practical: Redshift Analysis
Exam Trap: Misinterpreting Redshift Equations
Exam Trap: Confusing Gravitational and Electric Fields
Worked Example: Calculating Gravitational Potential
Worked Example: Using Hubble's Law
Worked Example: Stellar Classification via HR Diagram
Exam Trap: Misreading HR Diagram Axes
Understanding Stellar Luminosity
Surface Temperature and Stellar Color
Exam Trap: Misapplying Doppler Effect
Worked Example: Calculating Distance from Intensity
Dark Energy and Its Role in Cosmology
The Expanding Universe Concept
Big Bang Theory Basics
Interpreting Cosmic Microwave Background Radiation
Exam Trap: Misunderstanding Cosmic Expansion
Worked Example: Calculating Gravitational Force in Space
Using Wien's Law in Stellar Analysis
Stefan-Boltzmann Law in Stellar Physics
Exam Trap: Misapplying Wien's Law
Formation of Black Holes
Exam Trap: Misinterpreting Stellar Evolution
Galaxies and Their Classification
Formation of the Solar System
Exam Trap: Confusing Luminosity with Brightness
Worked Example: Calculating Gravitational Field Strength
Worked Example: Gravitational Potential Energy in Space
Worked Example: Orbital Speed Calculations
The Role of Supernovae in Stellar Evolution
Unit 11
Nuclear Radiation
Nuclear Binding Energy Concept
Using ΔE = c²Δm for Calculations
Atomic Mass Unit and SI Conversion
Nuclear Fusion Process
Binding Energy Per Nucleon Curve
Conditions for Nuclear Fusion
Background Radiation Awareness
Accounting for Background Radiation
Alpha Radiation Properties
Beta Radiation Properties
Gamma Radiation Properties
Penetration and Range of Radiation Types
Ionising Ability of Radiation Types
Writing Nuclear Equations
Interpreting Nuclear Equations
Core Practical: Gamma Radiation Absorption
Random Nature of Nuclear Decay
Spontaneity of Nuclear Decay
Graphical Determination of Half-Life
Activity Equation: A = λN
Decay Rate Equation: dN/dt = -λN
Half-Life Equation: t½ = ln2/λ
Exponential Decay Equation: N = N₀e⁻λt
Exponential Decay Equation: A = A₀e⁻λt
Logarithmic Form of Decay Equations
Applications of Nuclear Radiation in Medicine
Applications of Nuclear Radiation in Industry
Safety Measures for Handling Radiation
Radiation Shielding Materials and Effectiveness
Radiation Dose Units and Measurement
Biological Effects of Radiation Exposure
Radiation Monitoring and Detection Devices
Nuclear Power Generation Principles
Nuclear Reactor Components and Function
Nuclear Waste Management
Environmental Impact of Nuclear Power
Exam Trap: Misinterpreting Half-Life Graphs
Exam Trap: Confusing Alpha, Beta, Gamma Properties
Worked Example: Calculating Binding Energy
Worked Example: Determining Half-Life
Worked Example: Using Decay Equations
Worked Example: Radiation Absorption Calculations
Diagram: Binding Energy Per Nucleon Curve
Diagram: Radiation Penetration in Materials
Diagram: Nuclear Reactor Design
Diagram: Nuclear Fusion Process
Technique: Handling Radioactive Materials Safely
Technique: Using a Geiger Counter
Technique: Graphing Radioactive Decay
Technique: Calculating Energy from Mass Deficit
Unit 12
Gravitational Fields
Definition of Gravitational Fields
Newton’s Law of Universal Gravitation
Gravitational Field Strength Due to a Point Mass
Comparison of Electric and Gravitational Fields
Newton’s Laws Applied to Orbital Motion
Circular Orbits and Centripetal Force
Orbital Period and Radius Relationship
Escape Velocity Formula
Energy in Gravitational Fields
Work Done in Moving a Mass in a Gravitational Field
Variation of Gravitational Field Strength with Distance
Gravitational Potential Gradient
Equipotential Surfaces in Gravitational Fields
Satellite Motion Basics
Geostationary Satellites
Low Earth Orbit Satellites
Kepler’s Laws of Planetary Motion
Applications of Gravitational Fields
Gravitational Tides
Gravitational Fields and Space Exploration
Gravitational Slingshot Technique
Exam Trap: Units in Gravitational Formulas
Exam Trap: Misinterpreting Gravitational Potential
Exam Trap: Forgetting Direction of Gravitational Force
Worked Example: Calculating Gravitational Force
Worked Example: Orbital Speed Calculation
Worked Example: Escape Velocity Calculation
Worked Example: Gravitational Potential Energy
Worked Example: Satellite Orbital Period
Worked Example: Gravitational Field Strength at Distance
Diagram: Gravitational Field Lines
Diagram: Equipotential Surfaces
Diagram: Orbital Motion of Satellites
Diagram: Tidal Forces in Gravitational Fields
Key Differences Between Electric and Gravitational Fields
Historical Development of Gravitational Theory
Practical Applications of Gravitational Fields
Limitations of Newton’s Law of Universal Gravitation
Gravitational Fields in Astrophysics
Gravitational Fields in Planetary Formation
Unit 13
Oscillations
Defining Simple Harmonic Motion
The Condition for SHM: F = -kx
Equations of SHM: a = -ω²x
Angular Frequency and Period in SHM
SHM Formula: k/m and g/l
Energy Conservation in SHM
Kinetic and Potential Energy in SHM
Resonance and Its Characteristics
Forced Oscillations and Natural Frequency
Amplitude Changes Near Resonance
Damping in Oscillatory Systems
Plastic Deformation and Energy Loss
Graphical Representation of SHM
Core Practical: Determining Resonant Frequencies
Core Practical: Measuring Spring Constants
Core Practical: Simple Pendulum and g
Phase Difference in SHM
Amplitude and Energy Relationship
Applications of Resonance in Real Systems
Examining Damping Forces
SHM in Pendulums vs Springs
Exam Trap: Misinterpreting SHM Graphs
Identifying SHM in Physical Systems
Mathematical Derivation of SHM Equations
Frequency and Period Relationships in SHM
Practical Setup for SHM Experiments
Energy Diagrams for Oscillations
Understanding Phase in Oscillations
Damping Types: Light, Critical, Heavy
Impact of Damping on Resonance
SHM in Engineering Applications
SHM in Natural Phenomena
Exam Trap: Confusing SHM with Other Motions
Using SHM Equations in Problem Solving
Graphical Analysis of Energy in SHM
Experimental Errors in SHM Measurements
Amplitude and Frequency Relationship in SHM
Phase Angle in SHM Equations
Velocity and Acceleration in SHM
Damping and Energy Dissipation
Practical Applications of SHM Concepts
Exam Trap: Misusing SHM Equations
Qualitative Effects of Damping on Oscillations
SHM in Waves and Vibrations
Real-Life Examples of Resonance
Energy Transfers in Damped Oscillations
Critical Damping in Engineering Systems
Mathematical Representation of Resonance
Plastic Deformation in Oscillatory Materials