Finding these resources requires care due to copyright, but here are the most effective sources:

Not all topics are created equal. Here is how topical past papers help you tackle the "Big Hitters" of the syllabus.

Once you have covered 4-5 topics (e.g., Mechanics, Thermal, Waves, Electricity), mix questions from those topics into one sit-down session.

Top students don't just solve problems; they recognize archetypes. "Ah, this is the 'block on a slope with friction' question from May 2019." Topical practice builds this internal database faster than chronological practice.

If you do Astrophysics (Option D), you must hunt for past paper questions specifically for Option D. These are often neglected in general compilations.

IB Physics past papers are one of the most effective study tools for understanding exam style, common question types, and topic emphasis across SL/HL and Paper 1–3. Organize your revision around topics, assessment objectives, and exam formats (multiple-choice, short-answer, extended-response, data-based and practical/experimental questions).