AS & A Level · Cambridge 9702

Physics 9702

6,269 practice questions with worked solutions, organised by topic and past-paper session. Practise any question and get your answer marked instantly.

Practise by topic

Physical quantities and units Physical quantities SI units Errors and uncertainties Scalars and vectors Kinematics Equations of motion Dynamics Momentum and Newton's laws of motion Non-uniform motion Linear momentum and its conservation Forces, density and pressure Turning effects of forces Equilibrium of forces Density and pressure Work, energy and power Energy conservation Gravitational potential energy and kinetic energy Deformation of solids Stress and strain Elastic and plastic behaviour Waves Progressive waves Transverse and longitudinal waves Doppler effect for sound waves Electromagnetic spectrum Polarisation Superposition Stationary waves Diffraction Interference The diffraction grating Electricity Electric current Potential difference and power Resistance and resistivity D.C. circuits Practical circuits Kirchhoff's laws Potential dividers Particle physics Atoms, nuclei and radiation Fundamental particles Motion in a circle Kinematics of uniform circular motion Centripetal acceleration Gravitational fields Gravitational field Gravitational force between point masses Gravitational field of a point mass Gravitational potential Temperature Thermal equilibrium Temperature scales Specific heat capacity and specific latent heat Ideal gases The mole Equation of state Kinetic theory of gases Thermodynamics Internal energy The first law of thermodynamics Oscillations Simple harmonic oscillations Energy in simple harmonic motion Damped and forced oscillations, resonance Electric fields Electric fields and field lines Uniform electric fields Electric force between point charges Electric field of a point charge Electric potential Capacitance Capacitors and capacitance Energy stored in a capacitor Discharging a capacitor Magnetic fields Concept of a magnetic field Force on a current-carrying conductor Force on a moving charge Magnetic fields due to currents Electromagnetic induction Alternating currents Characteristics of alternating currents Rectification and smoothing Quantum physics Energy and momentum of a photon Photoelectric effect Wave-particle duality Energy levels in atoms and line spectra Nuclear physics Mass defect and nuclear binding energy Radioactive decay Medical physics Production and use of ultrasound Production and use of X-rays PET scanning Astronomy and cosmology Standard candles Stellar radii Hubble's law and the Big Bang theory

By past paper

Feb/March 2018 Feb/March 2017 Feb/March 2016

Example questions

The prefixes nano (n), micro ($\mu$) and pico (p) are often paired with units. Which row gives their correct values?

SI units · Feb/March 2016

A particle of mass $m$, moving at speed $u$, strikes a particle of mass $M$ that is at rest. The velocities of the two particles before and after the collision are illustrated. Which vector diagram shows the momenta correctly before and after the collision?

Linear momentum and its conservation · Feb/March 2016

An object is dropped from rest in a vacuum. The graph shows how the velocity $v$ of the object changes with time $t$. Using the same scales, which graph represents the object falling in air?

Non-uniform motion · Feb/March 2016

The diagram represents a uniform beam PQ. Its length is $3.0\,\text{m}$ and its weight is $50\,\text{N}$. The beam rests on a pivot that is $1.0\,\text{m}$ from end P. A load with weight $W$ is suspended from end P, and the beam is balanced. What is the value of $W$?

Turning effects of forces · Feb/March 2016

At points V and W on an object, two forces of magnitude $F$ each are applied. Together, these forces make a couple. As shown, the object has the form of a right-angled triangle with side lengths $x$ and $y$. Which expression represents the torque produced by the couple?

Turning effects of forces · Feb/March 2016

A giant squid with a length of $20.0\,\text{m}$ is positioned vertically in seawater, and the upper end of the squid is at a depth of $8.00\,\text{m}$. The density of the seawater is $1050\,\text{kg m}^{-3}$. What is the pressure difference between the top and the bottom of the squid?

Density and pressure · Feb/March 2016

An accelerating aircraft is represented in the force diagram. In the instant shown, the aircraft moves at $40\,\text{m s}^{-1}$. At what rate does its kinetic energy increase?

Energy conservation · Feb/March 2016

A man is running along a straight path. What is the approximate value of his kinetic energy?

Gravitational potential energy and kinetic energy · Feb/March 2016

A water pumping system has a pump that takes in $2.0\,\text{kW}$ of electrical power while lifting water. Each second, the system raises $16\,\text{kg}$ of water to a vertical height of $7.0\,\text{m}$. What is the efficiency of the pumping system?

Gravitational potential energy and kinetic energy · Feb/March 2016

A metal wire is extended by a load. The force-extension graph is shown. What does the area beneath the entire graph represent?

Elastic and plastic behaviour · Feb/March 2016