Specifically, Problemas de Física General (the Spanish title for Problems in General Physics by I.E. Irodov) is a legendary collection of challenging physics problems.
If you're preparing for physics olympiads, engineering entrance exams (like JEE Advanced), or just want to build rock-solid problem-solving skills, you've probably heard the name: . problemas de fisica general irodov pdf
Unlocking Irodov: Why the "General Physics Problems" PDF is a Must-Have (and How to Use It Right) engineering entrance exams (like JEE Advanced)