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Cambridge
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Pearson Edexcel
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Competitive
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Revision Notes
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Topical Past Paper Questions
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Paper 2
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Physical Quantities and Units
Contents
Physical Quantities & the SI Base Units
Practise Physical Quantities and Units
Contents
All chapters
Physics · 9702
Paper 2
Chapter 01 · Physical Quantities and Units
Quantities, Units & Homogeneity
Physical Quantities & the SI Base Units
01
Physical Quantities and Units
Quantities, Units & Homogeneity
2
Physical Quantities & the SI Base Units
Derived Units & Homogeneity
Prefixes, Conversions & Estimates
2
Prefixes & Unit Conversions
Estimating Physical Quantities
Errors & Uncertainties
3
Errors, Precision & Accuracy
Uncertainty in a Measurement
Combining Uncertainties
Scalars & Vectors
2
Scalars, Vectors & Resolving
Adding Vectors
02
Kinematics
Describing Motion
3
Describing Motion
Displacement-Time Graphs
Velocity-Time Graphs
The Equations of Motion
4
Constant Acceleration: The First Two Equations
Completing the SUVAT Equations
Using the SUVAT Equations
Two-Stage SUVAT Problems
Free Fall
1
Free Fall & Measuring g
Projectile Motion
2
Projectiles: Two Independent Motions
Projectile Calculations
03
Dynamics
Newton's Laws
4
Newton's First Law & Inertia
Newton's Second Law
Resultant Force & Acceleration
Newton's Third Law
Forces on Objects
2
Weight, Mass & g
Identifying Forces & Free-Body Diagrams
Resistive Forces
1
Drag & Terminal Velocity
Momentum & Conservation
5
Momentum
Conservation of Momentum
Elastic & Inelastic Collisions
Explosions & Recoil
Momentum in Two Dimensions
Momentum & Force
2
Force = Rate of Change of Momentum
Impulse & Force-Time Graphs
04
Forces, Density & Pressure
Turning Effects
3
Centre of Gravity
The Moment of a Force
Couples & Torque
Equilibrium
5
The Principle of Moments
Solving Beam Problems with Moments
The Two Conditions for Equilibrium
Three Forces: Resolve or Close the Triangle
Forces on a Slope
Density & Pressure
3
Density
Pressure
Pressure in a Fluid
Upthrust
2
Upthrust
Floating, Sinking & Force Chains
05
Work, Energy & Power
Work
2
Work & Energy Transfer
Work at an Angle
Energy & Conservation
3
Gravitational Potential Energy
Kinetic Energy
Conservation of Energy
Power & Efficiency
3
Power
Power & Speed: P = Fv
Efficiency
06
Deformation of Solids
Deformation & Springs
2
Forces, Extension & Hooke's Law
Elastic & Plastic Deformation
Stress, Strain & Young Modulus
3
Stress & Strain
Young Modulus
Measuring the Young Modulus
Elastic Energy & Graphs
2
Elastic Potential Energy
Reading Deformation Graphs
07
Waves
What a Wave Is
3
Progressive Waves
Transverse & Longitudinal Waves
Describing a Wave
Wave Quantities & Measurement
4
Phase & Phase Difference
The Wave Equation v = fλ
Intensity & Amplitude
Reading an Oscilloscope
The Doppler Effect
1
The Doppler Effect
EM Waves & Polarisation
3
The Electromagnetic Spectrum
Polarisation
Malus's Law
08
Superposition
Overlap & Interference
2
The Principle of Superposition
Interference & Coherence
Diffraction & Light Patterns
3
Diffraction
The Double-Slit Experiment
The Diffraction Grating
Stationary Waves
3
How a Stationary Wave Forms
Nodes, Antinodes & Wavelength
Stationary-Wave Experiments
09
Electricity
Electric Current
2
Current & Charge
Current in a Conductor
Potential Difference & Power
2
Potential Difference
Electrical Power
Resistance & Resistivity
4
Resistance & Ohm's Law
I–V Characteristics
Temperature, Thermistors & LDRs
Resistivity
10
D.C. Circuits
Practical Circuits
4
Circuit Symbols & Diagrams
E.m.f. & Internal Resistance
Measuring E.m.f. & Internal Resistance
Ammeters & Voltmeters
Kirchhoff's Laws
5
Kirchhoff's First Law
Kirchhoff's Second Law
Series & Parallel Resistors
Circuit Analysis
Effect-of-Change Questions
Potential Dividers
5
The Potential Divider
Adjustable & Balanced Dividers
Sensing Circuits
The Potentiometer
Potentiometer Calculations
11
Particle Physics
Inside the Atom
3
The Nuclear Atom
Nucleon Number, Proton Number & Nuclide Notation
Isotopes
Radioactive Decay
5
The Three Radiations
Decay Equations
Beta Energy & Neutrinos
Decay Chains & Counting
How the Radiations Behave
Fundamental Particles
5
Quarks: Six Flavours & Charges
Hadrons: Baryons & Mesons
Antiparticles
Leptons & Fundamental Particles
Beta Decay at the Quark Level
12
Definitions
AS Definitions
11
Physical Quantities and Units
Kinematics
Dynamics
Forces, Density and Pressure
Work, Energy and Power
Deformation of Solids
Waves
Superposition
Electricity
D.C. Circuits
Particle Physics
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