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🪟
Introduction to Geometric Optics
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Watoto
🌛 Phases of the Moon and eclipses
⬛ Shadow and penumbra
🌳 Visual angle
🕳️ Pinhole camera
🪩 Principles of Geometric Optics
👁️ Sources of light, light beams, and propagation
☄️ Speed of light
Wazazi
⚛️ Physics
🌈 Geometric Optics
🪟 Introduction to Geometric Optics