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How Light interacts with objects

How Light interacts with objects. Terms for how objects interact with light. Opaque : Light is completely absorbed or reflected by object. No light passes through. E.g. a brick wall Transparent : all light is transmitted . The object is see-through. E.g.Glass .

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How Light interacts with objects

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  1. How Light interacts with objects

  2. Terms for how objects interact with light. • Opaque: Light is completely absorbed or reflected by object. No light passes through. E.g. a brick wall • Transparent: all light is transmitted . The object is see-through. E.g.Glass. • Translucent: Some light is transmitted, the rest is absorbed or reflected. Partially see through, like cellophane • Incandescent: object emits/produces light due to heat. E.g. Light bulb, the sun. • Luminous: Gives off light own light. • Reflective: Reflects light. If the object is smooth it will be shiny like a mirror and show images. If the object is rough the light with be reflected diffusely like unpolished metal. • Bioluminescence: A living thing that gives off its own light e.g. fireflies, squid etc.

  3. Opaque

  4. Transparent

  5. Translucent

  6. Incandescent

  7. Bioluminescence

  8. Diffuse reflection from a rough surface

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