1011 past contests
Topic 11 · Moment of inertia of a thin cylindrical shell about its axis
Topic 33 · Heat capacity at constant volume of a monoatomic ideal gas from its number of moles (cv=1.5nr)
Topic 3 · Work done by a constant vector force through a vector displacement
Topic 33 · Heat capacity and specific heat: q = c x delta-t
Topic 48 · Dispersion of white light upon reflection versus refraction at a water surface (true/false)
Topic 3 · Work-energy theorem: kinetic energy change under a constant net force (true/false)
Topic 34 · Magnitude of total linear momentum after a perfectly inelastic collision
Topic 27 · Thermal efficiency of a carnot engine: eta = 1 - tc/th
Topic 5 · Riddle: si unit of capacitance
Topic 16 · Upthrust (buoyant force) on a submerged object: f = rho x v x g
Topic 5 · Solving for potential, charge or radius of an isolated conducting sphere using $V = \dfrac{kQ}{r}$
Topic 20 · Identifying an isotone (same neutron number) of a given nuclide
Topic 31 · Absolute temperature from a constant-volume gas thermometer's pressure ratio to the triple point of water
Topic 34 · Riddle: a constant force (constant acceleration, work as f dot d, impulse as f times t)
Topic 13 · Correct statement of kirchhoff's current law at a circuit node (true/false)
Topic 52 · Relative motion and speed comparison of two vehicles at the instant of overtaking (true/false)
Topic 42 · Problem of the day: reactance and natural frequency of an lc tank circuit