1011 past contests
Topic 33 · Heat capacity and specific heat: q = c x delta-t
Topic 42 · Angular frequency of an ideal resonant lc circuit
Topic 3 · Work done by a constant vector force through a vector displacement
Topic 34 · Riddle: impulse as the time integral of force
Topic 19 · Fossil dating and the geological time scale: true/false
Topic 36 · Limiting friction on an inclined plane at the critical sliding angle (true/false)
Topic 12 · Dimension of a derived physical quantity from a product/quotient of base quantities
Topic 18 · Threshold frequency for the photoelectric effect from work function
Topic 10 · Applying boyle's law, charles's law and the combined gas law to find an unknown gas variable
Topic 21 · Transition frequency between hydrogen atom energy levels using the rydberg formula
Topic 41 · Riddle: the magnetic field
Topic 10 · Identifying renewable versus non-renewable energy sources (true/false)
Topic 42 · Formula for impedance in a series ac circuit (true/false)
Topic 34 · Force from impulse and time
Topic 10 · Work done by a gas in an isobaric process
Topic 50 · Greatest height of a projectile
Topic 12 · Propagating relative uncertainty through a product or power
Topic 39 · Emf induced from a changing magnetic flux
Topic 38 · Resultant of two perpendicular forces
Topic 48 · Snell's law: sine of the angle of refraction