ECZ examiners frequently ask students to draw magnetic fields, light refraction through prisms, or experimental setups. Practice these freehand.

Reflection (laws, plane mirrors), refraction (refractive index, Snell's Law), total internal reflection, and thin converging lenses. Grade 12: Electricity, Magnetism, and Nuclear Physics

Electric fields, Coulomb's law, Ohm's law, series/parallel circuits, and electrical energy costs.

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