Geometrical optics in media with continuously varying refractive indices (gradient-index optics). 5. Quantum and Modern Physics

To prepare for the new 2026 problems, it is crucial to study classical "Russian school" material.

Threads dedicated to specific years of the All-Russian Olympiad and the Moscow Physics Olympiad.

Recommend a to tackle these problems over the next few months. Which of these would be most helpful to you?

For non-Russian speakers, Physoly hosts professionally translated versions of the Grade 10 and 11 rounds from 2018–2020. 2. Core Training Texts (The "Russian Method")

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: Light propagation in prisms with variable refractive indices and the Schlieren method for photographing optical inhomogeneities.