Would you like a chapter-by-chapter reading order or a list of must-solve problems from each volume?

: Resources are available in both English Medium and Sinhala Medium .

Due to their popularity, counterfeit versions occasionally circulate. To ensure you have the latest syllabus edition (which includes recent changes to the unit system or modern physics updates), follow these guidelines:

This is often the first encounter students have with the author’s style. The Mechanics volume covers:

Furthermore, Amarathunga’s books are celebrated for their structured organization and emphasis on problem-solving. A hallmark of his publications is the extensive collection of worked examples and practice problems. In physics, the understanding of a concept is often solidified only through its application. Recognizing this, Amarathunga provides step-by-step derivations and solutions that serve as models for students. This method does more than simply supply answers; it teaches the methodology of problem-solving. Students learn how to dissect a question, identify the relevant physical laws, and apply the correct mathematical tools—a skill set that is invaluable not only for exams but for future scientific endeavors.