NBPhO/Est-Fin Problems and Solutions
Began in 2003 as an Estonian and Finnish competition, joined by Latvia in 2014 and Sweden in 2016, when it took its present name. Around twenty students per country sit a single exam.
All Mechanics Electromagnetism Thermodynamics Waves & Optics Modern & Quantum Relativity Astrophysics
Cards List
Kinematics Dynamics Rigid body Fluids Gravitation Statics Electrostatics Circuits Magnetostatics Induction Heat transfer Gas laws Kinetic theory Phase transitions Oscillations Wave propagation Interference Geometrical optics Atomic Nuclear Particle Quantum mechanics Stellar Orbital mechanics Observational
2026
Estonia
1 Moving lens not published 2 Lissajous bridge not published 3 Kirill on a swing not published 4 Rod and bead not published 5 Saturation pressure of water not published 6 Pull-up bar rope not published 7 Water hose not published 8 Jet sound not published 9 CO2 fire extinguisher not published 10 Ball magnet not published
2025
Estonia
1 Flying dumbbell not published 2 Evaporation not published 3 Nuclear reactors not published 4 Black box not published 5 Throwing not published 6 Birds not published 7 Charged rod not published 8 Phase spiral not published 9 Hot plate not published
2024
Estonia
1 Four charges not published 2 Oklo fission reactor not published 3 Sticky ball not published 4 Totality not published 5 String and pendulum not published 6 Cones not published 7 Waves not published 8 Airplanes not published 9 Triangle not published 10 Kitchen physics not published
2023
Estonia
1 Curling not published 2 Nitrogen explosion not published 3 Wobble not published 4 Black box not published 5 Force sensor not published 6 String-coupled masses not published 7 A stack of papers not published 8 Connected charges not published 9 Surface tension not published
2022
Estonia
1 Escape not published 2 Gas not published 3 Rocket not published 4 AC filter not published 5 Ferromagnetic stripe not published 6 Life hacks not published 7 Electrons in magnetic field not published 8 Brightness of planets not published 9 Magnet in glass not published
