2024
Russia
- 1Potential of three charged disks*not published
- 2Air hockey collisions*not published
- 3Two batteries and LC circuit*not published
- 4Bicycle tire inflation*not published
- 5Cylindrical lens and meniscus*not published
MOSh Problems and Solutions
First held in 1939, when 216 students entered and 28 reached the final, making it one of the oldest school physics competitions in Russia. Archived here is the final stage for grade 11, which is sat over two rounds.
2023
Russia
- 1Cooling gas between two pistons*not published
- 2Grid in changing magnetic field*not published
- 3Two-lens magnification system*not published
- 4Compressed spring under load*not published
- 5Dielectric hysteresis in nonlinear capacitor*not published
2022
Russia
- 1Problem 1not published
- 2Problem 2not published
- 3Problem 3not published
- 4Problem 4not published
- 5Problem 5not published
2021
Russia
- 1Tub moving in rain*not published
- 2Ideal diode source characteristic*not published
- 3Currents one second after switch*not published
- 4Coin image in liquid*not published
- 5Evaporative cooling of a water droplet*not published
2020
Russia
- 1Capacitor switching with resistors*not published
- 2Vessel with air and steam in ice*not published
- 3Sun image in polished sphere*not published
- 4Starter motor model circuits*not published
- 5Vacuum cannon projectile speed*not published
2019
Russia
- 1Anamorphic prism pair angle*not published
- 2Adiabatic exponent measurement*not published
- 3Betatron field ratio*not published
- 4LED lamp component selection*not published
- 5Iceboat sail as wing*not published
2018
Russia
- 1Two masses on rhombic prism*not published
- 2Stirling cycle with regenerator*not published
- 3Charged hemisphere on metal wall*not published
- 4Coaxial cylinders in magnetic field*not published
- 5Clear image range in concave mirror*not published
2017
Russia
- 1Ball toss between balcony and ground*not published
- 2Sliding block on moving wedge*not published
- 3Cyclic process of ideal gas*not published
- 4Charged nested cubes*not published
- 5Zener diode in rl circuit*not published
2016
Russia
- 1Earth radius from ship sighting*not published
- 2Cat jumping from stool*not published
- 3Soap bubble deflation time*not published
- 4Hexagonal grid with added conductors*not published
- 5Two masses with spring and pulley*not published
2015
Russia
- 1Boat waves and river current*not published
- 2Hoop rolling on fixed cylinder*not published
- 3Rain on boiling pot*not published
- 4Cut wire in resistor network*not published
- 5Maximizing light pressure on sphere*not published
2014
Russia
- 1Sliding suitcase in braking train*not published
- 2Helium heated with mercury seal*not published
- 3Capacitor network equivalent capacitance*not published
- 4Magnetic field of four wires*not published
- 5Cart under oscillating mass*not published
2013
Russia
- 1Cruise liner boat intercept*not published
- 2Dumbbell sliding on smooth floor*not published
- 3Cyclic process with isotherms and isochores*not published
- 4Force on charge in infinite line*not published
- 5Capacitor discharge into two inductors*not published
2012
Russia
- 1Two masses on a spring*not published
- 2Helium cycle with linear and isothermal legs*not published
- 3Five voltmeters in circuit*not published
- 4Uniform E and B fields*not published
- 5Prism with total internal reflection*not published
2011
Russia
- 1Elastic collision with moving wedge*not published
- 2Oscillating mass after train stops*not published
- 3Cycle efficiency from density-temperature diagram*not published
- 4Diode bridge with resistors*not published
- 5Bead on inclined rod in magnetic field*not published
2010
Russia
- 1Ant on a brick*not published
- 2Gas partition with adiabatic piston*not published
- 3Power supply charging capacitor*not published
- 4Charged ring in collapsing field*not published
- 5Camera lens diameter from blur*not published