Source - Things that emit (give out) light or sound., Reflect - Bounce off., Eye - Organ of sight, which focuses and detects light., Transmit - When light or other radiation passes through an object, Transparent - Objects that transmit light and you can see through them., Translucent - Objects that transmit light but diffusing (scattering) the light as it passes through., Opaque - Objects that absorb, scatter, or reflect light and do not allow any light to pass through, Virtual - An image that cannot be focused onto a screen., Plane - A mirror which a flat, reflective surface, Incident ray - The ray coming from a source of light., Reflected ray - The change in direction of a ray or wave after it hits a surface and bounces off, Normal - An imaginary line at right angles to a surface where a light ray strikes it., Specular reflection - Reflection from a smooth surface, Diffuse reflection - Reflection from a rough surface., Convex - A lens that produces converging rays of light, Prism - A triangular-shaped pieces of glass used to produce a spectrum of light., Dispersion - The splitting of a ray of light of mixed wavelengths by refraction into its components.,

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