Most free PDFs are scanned copies of the 2010 or 2015 edition. JEE and NEET syllabi change slightly every year. An old PDF might contain problems on cyclotrons or outdated logical reasoning questions that are no longer relevant.
Yes, but it has excess JEE-specific problems. For NEET, focus only on the "MCQ" and "NCERT Based" sections. M Karim Physics Class 11 Pdf Download
