Specification points
Cambridge Cambridge International AS & A Level Physics 9702
402 points in 26 topics, with Cambridge's codes and titles.
Grade boundaries·Cambridge command words
Codes and titles are read by a script from Cambridge's published specification and have not been checked by a person. What each point covers is in the specification itself: Cambridge’s specification.
1 Physical quantities and units
- 1.1 Physical quantities
- 1.1.1 Magnitude and unit of quantities
- 1.1.2 Estimating physical quantities
- 1.2 SI units
- 1.2.1 SI base quantities and units
- 1.2.2 Derived units
- 1.2.3 Homogeneity of equations
- 1.2.4 Unit prefixes
- 1.3 Errors and uncertainties
- 1.3.1 Systematic and random errors
- 1.3.2 Precision and accuracy
- 1.3.3 Combining uncertainties
- 1.4 Scalars and vectors
- 1.4.1 Scalars and vectors
- 1.4.2 Adding and subtracting vectors
- 1.4.3 Resolving vectors into components
2 Kinematics
- 2.1 Equations of motion
- 2.1.1 Distance, displacement, speed, velocity and acceleration
- 2.1.2 Graphs of motion
- 2.1.3 Displacement from velocity–time graphs
- 2.1.4 Velocity from displacement–time graphs
- 2.1.5 Acceleration from velocity–time graphs
- 2.1.6 Deriving equations of motion
- 2.1.7 Solving problems with equations of motion
- 2.1.8 Measuring acceleration of free fall
- 2.1.9 Projectile motion
3 Dynamics
- 3.1 Momentum and Newton’s laws of motion
- 3.1.1 Mass and inertia
- 3.1.2 Force equals mass times acceleration
- 3.1.3 Linear momentum
- 3.1.4 Force as rate of change of momentum
- 3.1.5 Newton's laws of motion
- 3.1.6 Weight
- 3.2 Non-uniform motion
- 3.2.1 Friction and drag
- 3.2.2 Falling with air resistance
- 3.2.3 Terminal velocity
- 3.3 Linear momentum and its conservation
- 3.3.1 Conservation of momentum
- 3.3.2 Momentum problems in one and two dimensions
- 3.3.3 Elastic collisions
- 3.3.4 Kinetic energy changes in collisions
4 Forces, density and pressure
- 4.1 Turning effects of forces
- 4.1.1 Centre of gravity
- 4.1.2 Moment of a force
- 4.1.3 Couples
- 4.1.4 Torque of a couple
- 4.2 Equilibrium of forces
- 4.2.1 Principle of moments
- 4.2.2 Equilibrium
- 4.2.3 Vector triangle of forces
- 4.3 Density and pressure
- 4.3.1 Density
- 4.3.2 Pressure
- 4.3.3 Deriving hydrostatic pressure
- 4.3.4 Hydrostatic pressure equation
- 4.3.5 Origin of upthrust
- 4.3.6 Archimedes' principle
5 Work, energy and power
- 5.1 Energy conservation
- 5.1.1 Work done
- 5.1.2 Conservation of energy
- 5.1.3 Efficiency
- 5.1.4 Efficiency problems
- 5.1.5 Power
- 5.1.6 Power, work and time
- 5.1.7 Power, force and velocity
- 5.2 Gravitational potential energy and kinetic energy
- 5.2.1 Deriving gravitational potential energy
- 5.2.2 Gravitational potential energy
- 5.2.3 Deriving kinetic energy
- 5.2.4 Kinetic energy
6 Deformation of solids
- 6.1 Stress and strain
- 6.1.1 Tensile and compressive deformation
- 6.1.2 Load, extension, compression and proportionality
- 6.1.3 Hooke's law
- 6.1.4 Spring constant
- 6.1.5 Stress, strain and the Young modulus
- 6.1.6 Measuring the Young modulus
- 6.2 Elastic and plastic behaviour
- 6.2.1 Elastic and plastic deformation
- 6.2.2 Work done from force–extension graphs
- 6.2.3 Elastic potential energy from graphs
- 6.2.4 Elastic potential energy equation
7 Waves
- 7.1 Progressive waves
- 7.1.1 Wave motion
- 7.1.2 Wave terminology
- 7.1.3 Using an oscilloscope
- 7.1.4 Deriving the wave equation
- 7.1.5 Wave equation
- 7.1.6 Energy transfer by waves
- 7.1.7 Intensity and amplitude
- 7.2 Transverse and longitudinal waves
- 7.2.1 Transverse and longitudinal waves compared
- 7.2.2 Graphs of transverse and longitudinal waves
- 7.3 Doppler effect for sound waves
- 7.3.1 Doppler effect
- 7.3.2 Doppler frequency equation
- 7.4 Electromagnetic spectrum
- 7.4.1 Electromagnetic waves in free space
- 7.4.2 Wavelengths of the electromagnetic spectrum
- 7.4.3 Visible wavelengths
- 7.5 Polarisation
- 7.5.1 Polarisation
- 7.5.2 Malus's law
8 Superposition
- 8.1 Stationary waves
- 8.1.1 Principle of superposition
- 8.1.2 Experiments on stationary waves
- 8.1.3 Formation of stationary waves
- 8.1.4 Wavelength from nodes and antinodes
- 8.2 Diffraction
- 8.2.1 Diffraction
- 8.2.2 Experiments on diffraction
- 8.3 Interference
- 8.3.1 Interference and coherence
- 8.3.2 Experiments on two-source interference
- 8.3.3 Conditions for interference fringes
- 8.3.4 Double-slit equation
- 8.4 The diffraction grating
- 8.4.1 Diffraction grating equation
- 8.4.2 Measuring wavelength with a grating
9 Electricity
- 9.1 Electric current
- 9.1.1 Current as flow of charge carriers
- 9.1.2 Quantised charge
- 9.1.3 Charge, current and time
- 9.1.4 Current and charge carrier density
- 9.2 Potential difference and power
- 9.2.1 Potential difference
- 9.2.2 P.d., work and charge
- 9.2.3 Electrical power equations
- 9.3 Resistance and resistivity
- 9.3.1 Resistance
- 9.3.2 Resistance, p.d. and current
- 9.3.3 I–V characteristics
- 9.3.4 Filament lamp resistance
- 9.3.5 Ohm's law
- 9.3.6 Resistivity
- 9.3.7 Light-dependent resistors
- 9.3.8 Thermistors
10 D.C. circuits
- 10.1 Practical circuits
- 10.1.1 Circuit symbols
- 10.1.2 Circuit diagrams
- 10.1.3 Electromotive force
- 10.1.4 E.m.f. versus p.d.
- 10.1.5 Internal resistance
- 10.2 Kirchhoff’s laws
- 10.2.1 Kirchhoff's first law
- 10.2.2 Kirchhoff's second law
- 10.2.3 Deriving series resistance
- 10.2.4 Resistors in series
- 10.2.5 Deriving parallel resistance
- 10.2.6 Resistors in parallel
- 10.2.7 Solving circuits with Kirchhoff's laws
- 10.3 Potential dividers
- 10.3.1 Potential dividers
- 10.3.2 Potentiometers
- 10.3.3 Galvanometers in null methods
- 10.3.4 Sensors in potential dividers
11 Particle physics
- 11.1 Atoms, nuclei and radiation
- 11.1.1 Alpha-particle scattering
- 11.1.2 Nuclear model of the atom
- 11.1.3 Nucleon number and proton number
- 11.1.4 Isotopes
- 11.1.5 Nuclide notation
- 11.1.6 Conservation in nuclear processes
- 11.1.7 Alpha, beta and gamma radiation
- 11.1.8 Antiparticles
- 11.1.9 Neutrinos and antineutrinos in beta decay
- 11.1.10 Energy spectra of alpha and beta particles
- 11.1.11 Radioactive decay equations
- 11.1.12 Unified atomic mass unit
- 11.2 Fundamental particles
- 11.2.1 Quarks
- 11.2.2 Charges of quarks and antiquarks
- 11.2.3 Quark composition of protons and neutrons
- 11.2.4 Hadrons, baryons and mesons
- 11.2.5 Quark changes in beta decay
- 11.2.6 Leptons
12 Motion in a circle
13 Gravitational fields
- 13.1 Gravitational field
- 13.1.1 Gravitational field
- 13.1.2 Gravitational field lines
- 13.2 Gravitational force between point masses
- 13.2.1 Uniform sphere as point mass
- 13.2.2 Newton's law of gravitation
- 13.2.3 Circular orbits
- 13.2.4 Geostationary orbits
- 13.3 Gravitational field of a point mass
- 13.3.1 Deriving gravitational field strength
- 13.3.2 Gravitational field strength of a point mass
- 13.3.3 Near-constant g near Earth's surface
- 13.4 Gravitational potential
- 13.4.1 Gravitational potential
- 13.4.2 Gravitational potential of a point mass
- 13.4.3 Gravitational potential energy of two masses
14 Temperature
- 14.1 Thermal equilibrium
- 14.1.1 Thermal energy transfer
- 14.1.2 Thermal equilibrium
- 14.2 Temperature scales
- 14.2.1 Temperature-dependent properties
- 14.2.2 Thermodynamic temperature scale
- 14.2.3 Kelvin and Celsius
- 14.2.4 Absolute zero
- 14.3 Specific heat capacity and specific latent heat
- 14.3.1 Specific heat capacity
- 14.3.2 Specific latent heat
15 Ideal gases
- 15.1 The mole
- 15.1.1 Amount of substance
- 15.1.2 Molar quantities
- 15.2 Equation of state
- 15.2.1 Ideal gases
- 15.2.2 Ideal gas equation
- 15.2.3 Boltzmann constant
- 15.3 Kinetic theory of gases
- 15.3.1 Assumptions of kinetic theory
- 15.3.2 Molecular movement and gas pressure
- 15.3.3 Root-mean-square speed
- 15.3.4 Mean kinetic energy of a molecule
16 Thermodynamics
17 Oscillations
- 17.1 Simple harmonic oscillations
- 17.1.1 Terms for oscillations
- 17.1.2 Simple harmonic motion
- 17.1.3 SHM displacement equation
- 17.1.4 SHM velocity equations
- 17.1.5 Graphs of simple harmonic motion
- 17.2 Energy in simple harmonic motion
- 17.2.1 Energy interchange in SHM
- 17.2.2 Total energy in SHM
- 17.3 Damped and forced oscillations, resonance
- 17.3.1 Damping
- 17.3.2 Light, critical and heavy damping
- 17.3.3 Resonance
18 Electric fields
- 18.1 Electric fields and field lines
- 18.1.1 Electric field
- 18.1.2 Force on a charge in a field
- 18.1.3 Electric field lines
- 18.2 Uniform electric fields
- 18.2.1 Uniform field between plates
- 18.2.2 Charged particles in a uniform field
- 18.3 Electric force between point charges
- 18.3.1 Spherical conductor as point charge
- 18.3.2 Coulomb's law
- 18.4 Electric field of a point charge
- 18.4.1 Field strength of a point charge
- 18.5 Electric potential
- 18.5.1 Electric potential
- 18.5.2 Field as potential gradient
- 18.5.3 Potential of a point charge
- 18.5.4 Electric potential energy of two charges
19 Capacitance
- 19.1 Capacitors and capacitance
- 19.1.1 Capacitance
- 19.1.2 Capacitance equation
- 19.1.3 Deriving combined capacitance
- 19.1.4 Capacitors in series and parallel
- 19.2 Energy stored in a capacitor
- 19.2.1 Energy from potential–charge graph
- 19.2.2 Energy stored in a capacitor
- 19.3 Discharging a capacitor
- 19.3.1 Graphs of capacitor discharge
- 19.3.2 Time constant
- 19.3.3 Exponential discharge equations
20 Magnetic fields
- 20.1 Concept of a magnetic field
- 20.1.1 Magnetic fields
- 20.1.2 Magnetic field lines
- 20.2 Force on a current-carrying conductor
- 20.2.1 Force on a current-carrying conductor
- 20.2.2 Force on a conductor equation
- 20.2.3 Magnetic flux density
- 20.3 Force on a moving charge
- 20.3.1 Force on a moving charge
- 20.3.2 Force on a moving charge equation
- 20.3.3 Hall voltage
- 20.3.4 Hall probes
- 20.3.5 Charged particle in a magnetic field
- 20.3.6 Velocity selection
- 20.4 Magnetic fields due to currents
- 20.4.1 Field patterns of wires, coils and solenoids
- 20.4.2 Ferrous cores in solenoids
- 20.4.3 Forces between current-carrying conductors
- 20.5 Electromagnetic induction
- 20.5.1 Magnetic flux
- 20.5.2 Magnetic flux equation
- 20.5.3 Flux linkage
- 20.5.4 Experiments on electromagnetic induction
- 20.5.5 Faraday's and Lenz's laws
21 Alternating currents
- 21.1 Characteristics of alternating currents
- 21.1.1 Alternating current terms
- 21.1.2 Sinusoidal alternating current
- 21.1.3 Mean power in a resistive load
- 21.1.4 R.m.s. and peak values
- 21.2 Rectification and smoothing
- 21.2.1 Half-wave and full-wave rectification
- 21.2.2 Half-wave rectification with a diode
- 21.2.3 Bridge rectifier
- 21.2.4 Smoothing with a capacitor
22 Quantum physics
- 22.1 Energy and momentum of a photon
- 22.1.1 Particulate nature of radiation
- 22.1.2 Photons
- 22.1.3 Photon energy
- 22.1.4 Electronvolt
- 22.1.5 Photon momentum
- 22.2 Photoelectric effect
- 22.2.1 Photoelectric emission
- 22.2.2 Threshold frequency and wavelength
- 22.2.3 Photon energy and work function
- 22.2.4 Photoelectric equation
- 22.2.5 Intensity and photoelectric emission
- 22.3 Wave-particle duality
- 22.3.1 Wave-particle duality of radiation
- 22.3.2 Electron diffraction
- 22.3.3 De Broglie wavelength
- 22.3.4 De Broglie equation
- 22.4 Energy levels in atoms and line spectra
- 22.4.1 Electron energy levels
- 22.4.2 Emission and absorption line spectra
- 22.4.3 Photon emission between energy levels
23 Nuclear physics
- 23.1 Mass defect and nuclear binding energy
- 23.1.1 Mass–energy equivalence
- 23.1.2 Nuclear equations
- 23.1.3 Mass defect and binding energy
- 23.1.4 Binding energy per nucleon curve
- 23.1.5 Nuclear fusion and fission
- 23.1.6 Binding energy and nuclear reactions
- 23.1.7 Energy released in nuclear reactions
- 23.2 Radioactive decay
- 23.2.1 Count rate fluctuations as evidence of randomness
- 23.2.2 Spontaneous and random decay
- 23.2.3 Activity and decay constant
- 23.2.4 Half-life
- 23.2.5 Decay constant and half-life
- 23.2.6 Exponential decay
24 Medical physics
- 24.1 Production and use of ultrasound
- 24.1.1 Piezo-electric crystals
- 24.1.2 Generating and detecting ultrasound
- 24.1.3 Ultrasound imaging
- 24.1.4 Specific acoustic impedance
- 24.1.5 Intensity reflection coefficient
- 24.1.6 Attenuation of ultrasound
- 24.2 Production and use of X-rays
- 24.2.1 Production of X-rays
- 24.2.2 X-ray imaging and contrast
- 24.2.3 Attenuation of X-rays
- 24.2.4 CT scanning
- 24.3 PET scanning
- 24.3.1 Radioactive tracers
- 24.3.2 Beta-plus tracers in PET scanning
- 24.3.3 Annihilation
- 24.3.4 Positron annihilation in PET scanning
- 24.3.5 Energy of annihilation photons
- 24.3.6 Detecting photons to form PET images
25 Astronomy and cosmology
- 25.1 Standard candles
- 25.1.1 Luminosity
- 25.1.2 Inverse square law for radiant flux
- 25.1.3 Standard candles
- 25.1.4 Distances to galaxies with standard candles
- 25.2 Stellar radii
- 25.2.1 Wien's displacement law
- 25.2.2 Stefan–Boltzmann law
- 25.2.3 Estimating the radius of a star
- 25.3 Hubble’s law and the Big Bang theory
- 25.3.1 Shifted spectral lines
- 25.3.2 Redshift equation
- 25.3.3 Redshift and the expanding Universe
- 25.3.4 Hubble's law and the Big Bang