Physics 9702 (Cambridge International AS & A Level)
Original practice questions with long-form, step-by-step worked solutions, organised by the 9702 syllabus strands. Everything here is free to read.
- Subject code
- 9702
- Tier
- AS & A2
- Topics
- 15
- Worked questions
- 150
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Official Cambridge references: 9702 syllabus ↗ · past papers ↗
Mechanics
Kinematics
Define and use distance, displacement, speed, velocity and acceleration; read displacement–time and velocity–time graphs (gradient and area); derive and use…
Dynamics
Apply F = ma and Newton's laws of motion; define momentum and force as rate of change of momentum; describe qualitatively the effect of resistive/drag forces…
Forces, Density and Pressure
Define and apply the moment of a force and the torque of a couple; use the principle of moments and vector triangles for coplanar forces in equilibrium…
Work, Energy and Power
Use work done = force × displacement in the direction of the force and the principle of conservation of energy, including efficiency; define power and use P =…
Deformation of Solids
Use load, extension, limit of proportionality, Hooke's law and the spring constant k = F/x; define stress, strain and the Young modulus and describe an…
Waves
Waves
Use displacement, amplitude, phase, period, frequency, wavelength and speed to describe progressive waves; derive and use v = fλ and intensity ∝ amplitude²…
Superposition
Apply the principle of superposition to explain stationary waves, nodes and antinodes; explain diffraction and the conditions for observable two-source…
Electricity and Circuits
Electricity
Use Q = It and I = Anvq for current as flow of quantised charge; define potential difference as energy transferred per unit charge (V = W/Q) and use P = VI =…
D.C. Circuits
Distinguish e.m.f. from potential difference and account for internal resistance; apply Kirchhoff's first and second laws (charge and energy conservation) to…
Particle Physics
Fields and Oscillations
Gravitational Fields
Define gravitational field strength as force per unit mass and use Newton's law of gravitation F = Gm₁m₂/r²; derive and use g = GM/r² for a point mass…
Oscillations
Recognise simple harmonic motion from a = −ω²x and use its solutions x = x₀ sinωt and v = ω√(x₀² − x²); interpret displacement/velocity/acceleration graphs…
Magnetic Fields
Use F = BIL sinθ (Fleming's left-hand rule) for the force on a current-carrying conductor and F = BQv sinθ for a moving charge, including circular motion in a…
Quantum and Nuclear Physics
Quantum Physics
Use E = hf and p = E/c for photon energy and momentum; explain the photoelectric effect with hf = Φ + ½mv²max and threshold frequency; use electron…
Nuclear Physics
Use E = mc² and mass defect to find binding energy, and relate binding energy per nucleon to nuclear fission and fusion; balance nuclear reaction equations…