Physics — A/L

About Physics (AL)

Physics is one of the most important subjects in the Sri Lankan A/L Physical Science stream. It forms the foundation for engineering, medicine, and technology degrees at Sri Lankan universities. The subject covers fundamental laws of nature from Newtonian mechanics to quantum physics, requiring both conceptual understanding and strong mathematical problem-solving skills.

What You Study in Physics

• Classical Mechanics — motion, forces, energy, and momentum
• Thermal Physics — heat, temperature, thermodynamics
• Waves and Oscillations — sound, light, electromagnetic waves
• Electricity and Magnetism — circuits, fields, electromagnetic induction
• Electronics — diodes, transistors, logic gates
• Modern Physics — atomic structure, radioactivity, nuclear physics

Examination Structure

Study Tips for Physics

1. 1Start with mechanics — it is the foundation for most other topics
2. 2Practice MCQ papers weekly to build speed and accuracy
3. 3Draw diagrams for every concept — circuits, ray diagrams, free body diagrams
4. 4Work through past paper Paper II questions focusing on method marks
5. 5Review the marking scheme after every practice paper
6. 6Form study groups for difficult topics like electromagnetism