A/L Physics in Sri Lanka: The Complete 2026 Study Guide
A full roadmap for G.C.E. A/L Physics in Sri Lanka — unit-by-unit syllabus weighting, the best revision order, past-paper strategy and how to avoid losing marks on units and significant figures.
A/L Physics is one of the most decisive subjects in the Science stream — it underpins engineering, physical science and many medical-adjacent pathways. This guide gives you a clear, exam-first plan rather than a wall of theory.
Understand the paper structure first
Physics is examined in two papers:
- Paper I — 50 multiple-choice questions. Speed and precision matter; there is no partial credit.
- Paper II — structured questions plus essay-style questions where method and units earn marks.
Because Paper II rewards how you present an answer, exam technique is as important as content.
Study the units in the right order
Don’t study front-to-back. Lead with the heaviest, most foundational units:
- Mechanics — the backbone; concepts reappear everywhere.
- Electricity & Electronics — high marks, very examinable.
- Properties of Matter & Thermal Physics.
- Waves, Optics & Modern Physics — finish here.
Rule of thumb: secure the three heaviest units to a high standard before you chase the lighter ones. A solid 80% across the big units beats a thin 50% everywhere.
The four ways students lose easy marks
- Missing or wrong units on final answers.
- Significant figures — round only at the end.
- Unlabelled diagrams — ray diagrams and circuit diagrams need every label.
- Definitions — learn the exact phrasing the marking scheme expects.
Past papers are non-negotiable
Once a unit is covered, immediately do past-paper questions on it. See our guide on how to use past papers to actually gain marks and build a term plan with the A/L revision timetable method.
For your other Science-stream subject, pair this with the A/L Combined Maths guide.
Frequently asked questions
How many papers are there in A/L Physics?
Two: Paper I is multiple-choice (50 MCQs) and Paper II has structured and essay questions. Both are sat on the same day, and your final grade combines them.
Which A/L Physics units carry the most marks?
Mechanics, Electricity & Electronics, and Properties of Matter consistently carry the heaviest weighting across past papers. Securing these three first gives you the best return on study time.
Is A/L Physics harder than Combined Maths?
They test different skills. Physics rewards conceptual understanding and exam technique (units, diagrams, definitions), while Combined Maths rewards procedural speed. Most students find consistent practice matters more than the subject itself.