A Level Physics (9702) Notes

Practice282 MCQs & 220 exam questions with answers & mark schemes →

Every chapter of the physics syllabus for Cambridge A Level 9702, in the order the book takes them. 34 lessons are published so far — each with notes, worked examples, a graph you can move, flashcards and a quiz — and more are being written.

Also called AS Level, Cambridge A Level, CAIE A Level.

01

Physical quantities and units

▸Measurement & UnitsGetting the number right, and knowing how right it is · 16 min · 6 questions→▸Vectors & EquilibriumAdding quantities that point somewhere · 18 min · 6 questions→

02

Kinematics

▸KinematicsDescribing motion: displacement, velocity, acceleration and the graphs · 28 min · 12 questions→

03

Dynamics

▸MechanicsMotion, forces and energy · 24 min · 6 questions→▸MomentumThe quantity that survives every collision, and why it makes cars safer · 20 min · 8 questions→

04

Forces, density and pressure

▸Turning Effects of ForceMoments, couples, centre of gravity and stability · 22 min · 8 questions→▸Vectors & EquilibriumAdding quantities that point somewhere · 18 min · 6 questions→▸Mechanical Properties of MatterDensity, pressure and elastic behaviour · 24 min · 8 questions→

05

Work, energy and power

▸Work, Energy & PowerThe bookkeeping that never fails to balance · 18 min · 6 questions→

06

Deformation of solids

▸Physics of SolidsCrystal structure, deformation and why some materials conduct · 22 min · 8 questions→

07

Waves

▸Waves & SHMOscillation, superposition, resonance · 20 min · 6 questions→▸Electromagnetic SpectrumOne family of waves, seven names, and what each one is used for · 18 min · 8 questions→▸Physical Optics and Gravitational WavesInterference, diffraction, polarisation — and waves in spacetime itself · 26 min · 8 questions→

08

Superposition

▸Physical Optics and Gravitational WavesInterference, diffraction, polarisation — and waves in spacetime itself · 26 min · 8 questions→

09

Electricity

▸Electricity & MagnetismCharge, current, circuits and fields · 22 min · 6 questions→▸Practical ElectricityPower, energy, the cost of running an appliance, and mains safety · 22 min · 8 questions→

10

D.C. circuits

▸Electric CircuitsSeries and parallel, potential dividers, and the components that go in them · 24 min · 8 questions→

11

Particle physics

▸The Nuclear Model of the AtomProtons, neutrons, electrons, isotopes and the experiment that found the nucleus · 20 min · 8 questions→

12

Motion in a circle

▸Circular and Rotational MotionAngular quantities, centripetal force and the moment of inertia · 24 min · 8 questions→

13

Gravitational fields

▸Gravitational FieldsOne law, an inverse square, and a potential that is negative everywhere · 26 min · 8 questions→

14

Temperature

▸Thermal Properties of MatterTemperature, expansion, specific heat capacity and latent heat · 26 min · 8 questions→

15

Ideal gases

▸Kinetic Particle Model of MatterSolids, liquids and gases explained by what the particles are doing · 20 min · 8 questions→▸Heat and ThermodynamicsGas laws, kinetic theory and the laws that limit every engine · 26 min · 8 questions→

16

Thermodynamics

▸Heat and ThermodynamicsGas laws, kinetic theory and the laws that limit every engine · 26 min · 8 questions→

17

Oscillations

▸Oscillations and Simple Harmonic MotionThe one restoring-force condition that produces a sine wave in time · 25 min · 8 questions→

18

Electric fields

▸ElectrostaticsCharges at rest, and the fields they create · 18 min · 6 questions→

19

Capacitance

▸CapacitanceStoring charge, storing energy, and the decay that never finishes · 24 min · 8 questions→

20

Magnetic fields

▸MagnetismPoles, magnetic fields, magnetisation and the Earth as a magnet · 20 min · 8 questions→▸ElectromagnetismMagnetic flux density, the force on a current and on a moving charge · 24 min · 7 questions→▸Electromagnetic InductionFaraday, Lenz and how a generator actually works · 24 min · 7 questions→

21

Alternating currents

▸Alternating CurrentRMS values, reactance, resonance and why the grid uses a.c. · 24 min · 8 questions→

22

Quantum physics

▸Dawn of Modern PhysicsThe photon, the photoelectric effect and wave-particle duality · 24 min · 8 questions→▸Atomic SpectraEnergy levels, emission and absorption, and how we read the stars · 22 min · 8 questions→

23

Nuclear physics

▸Nuclear PhysicsMass defect, binding energy, fission, fusion and reactors · 24 min · 8 questions→▸RadioactivityAlpha, beta and gamma, decay equations, half-life and safety · 26 min · 8 questions→

24

Medical physics

▸Medical PhysicsUltrasound, X-rays and PET — three ways of seeing inside without cutting · 24 min · 8 questions→

25

Astronomy and cosmology

▸Astronomy and CosmologyMeasuring a universe you cannot visit, and finding it is expanding · 22 min · 8 questions→

Frequently asked questions

What does A Level Physics (9702) cover?

All 25 chapters — Physical quantities and units, Kinematics, Dynamics, and more. The finished lessons carry notes, worked examples, an interactive diagram and a quiz; the remaining topics are mapped and being written.

Which syllabus do these Physics notes follow?

The Cambridge A Level Physics (9702) syllabus, topic by topic — the same specification your exam is set from.

Are there practice questions or past-paper-style questions?

Yes — 282 multiple-choice questions and 220 exam-style questions with mark schemes, all with answers, on the A Level Physics (9702) practice page.

Are the A Level Physics (9702) notes free?

Yes — completely free, with no sign-up or login. Every topic has notes, worked examples, an interactive diagram you can change, flashcards and a quiz that explains each answer.