EuPhO Problems and Solutions

First held in Tartu in 2017, and deliberately unlike IPhO: problems are set to be solvable in elegant ways rather than long ones. Theory is three problems in five hours, with a separate experimental exam.


2025

Bulgaria

Theory3 problemsProblemsSolutions
  • 1Sunnynot published
  • 2Floating tablenot published
  • 3Crossed wiresnot published
Experimental2 problemsProblemsSolutions
  • 4Deep Learningnot published
  • 5Hidden patternnot published

2024

Georgia

Theory3 problemsProblemsSolutions
  • 1Sliding pucknot published
  • 2Spaceshipsnot published
  • 3Fabry–Pérot interferometernot published
Experimental1 problemPhysics of piezoelectricityProblemSolution

2023

Germany

Theory3 problemsProblemsSolutions
  • 1Thermal lensnot published
  • 2Brick between two planesnot published
  • 3Plate between magnetsnot published
Experimental2 problemsProblemsSolutions
  • 4Magnetic Pendulumnot published
  • 5Optical black-boxnot published

2022

Slovenia

Theory3 problemsProblemsSolutions
  • 1Floating cylindernot published
  • 2Thermal oscillationsnot published
  • 3Dipole in a magnetic fieldnot published
Experimental1 problemPhysics of illuminationProblemSolution