Diagrams in Chinese olympiad problems are intricate—nested circles, complex lens systems, or multi-loop circuits. PDFs preserve vector graphics and precise labeling, unlike messy phone photos or hastily transcribed web text.
Begin with the 2016 CPhO Final (the year China hosted the IPhO). Search: "2016 CPhO final theory problems PDF" – that is the ultimate litmus test for your physics ability. chinese+physics+olympiad+problems+pdf+top
