How light interacts with objects
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How Light interacts with objects PowerPoint PPT Presentation


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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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How light interacts with objects

How Light interacts with objects


Terms for how objects interact with light

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.


Opaque

Opaque


Transparent

Transparent


Translucent

Translucent


Incandescent

Incandescent


Bioluminescence

Bioluminescence


Diffuse reflection from a rough surface

Diffuse reflection from a rough surface


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