
Lens ray guide
Track the key rays to understand how a lens forms an image.- 1Principal axis -> Principal focus: defines
- 2Optical centre -> Image: helps locate
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Lesson
Convex and concave lenses, ray diagrams, image formation, lens formula, sign convention, and magnification.
Learning objectives
State the exact Physics idea behind Refraction Through Lenses.
Connect Refraction Through Lenses to the correct condition, diagram cue, or formula.
Write short Physics answers that join the physical reason with the final result.
Lesson
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Notes
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