1011 past contests
Topic 11 · Moment of inertia of a spinning disk from angular momentum and angular velocity
Topic 10 · Riddle: the van der waals gas equation of state
Topic 48 · Incident, reflected and refracted rays lie in the same plane (true/false)
Topic 11 · Net torque on a disk from moment of inertia and angular acceleration (derived from spin-up time)
Topic 11 · Moment of inertia of a disk from net torque and angular acceleration
Topic 9 · The law of reflection: angle of incidence equals angle of reflection (true/false)
Topic 61 · Thermal expansion of a pendulum's length increases its period (true/false)
Topic 61 · Pendulum period depends on g, not weight, so it differs on the moon (true/false)
Topic 61 · Simple pendulum period proportional to the square root of length (true/false)
Topic 19 · Percentage of initial activity remaining after several half-lives
Topic 41 · Galvanometer deflection behaviour for a stationary magnet held in a solenoid
Topic 5 · Change in capacitance from a small percentage decrease in plate separation
Topic 12 · Speed of light in vacuum to two significant figures
Topic 19 · Half-life of a radioactive substance from its decay constant
Topic 5 · Electrostatic potential halving when distance from a point charge doubles
Topic 5 · Inverse-square variation of electric field strength from a point charge
Topic 5 · Uniform electric field between large charged parallel plates
Topic 7 · Maximum safe voltage across a resistor from its power rating and resistance
Topic 12 · Main features of a laboratory pan (beam) balance