Advanced Level (A/L) Provincial Test Papers and Marking Schemes, G.C.E. Prof Rosa has published several Past paper and question analysis books for each year from 2006.
Books by Prof S D Rosa, Professor at Department of Physics, University of Colombo, has written several books based on GCE A/L past paper questions and analyzed in simple language, how to solve those sums. We think that this file will help you sharpen your knowledge.
Or you can contact via using Facebook or email. Follow this link to download PDF version. 2020 A/L Physics Marking Scheme Sinhala Medium.