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61 Cards in this Set
- Front
- Back
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Optical device |
Any device that uses light |
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Telescope |
Optical device for viewing objects, the two types are reflecting and refracting. |
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Reflecting telescope |
Telescope that uses a curved mirror to form an enlarged image |
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Ray diagrams |
Diagram used to represent how light travels |
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Transparent |
Describes materials that allows light to pass through |
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Opaque |
Object that doesn't allow light through |
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Luminous |
Describes objects that produce light |
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Diffuse reflection |
Reflection that happens when parallel rays hit a rough surface, results in light going in all different directions |
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Plane mirrors |
Flat mirror, has nor curvature |
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Angle of incidence |
Angle between the incidence ray and the normal |
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Law of reflection |
Angle of incidence of a wave hitting a surface= the angle of reflection |
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Convex mirror |
Reflection surface that bulges out like a back of a spoon |
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Refraction |
Bending of light as it travels from one material to another |
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Concave lens |
Piece of transparent material that is thinner in the middle then at the edges |
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Real image |
Image formed when a ray meets at a point |
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Wave of model light |
Model used to explain the characteristics and behavior of light energy |
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Visible light specturm |
Colours of visible light |
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Radar |
Acronym for radio detection and ranging |
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Fluorescent |
A form of artificial light |
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Phosphorescence |
Process in which a substance emits light after it has been absorbed |
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Luminescence |
The emission of light from substance not resulting form heat |
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Secondary colours |
Yellow, cyan and magenta, colours made from adding any two primary colours of light |
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Pupil |
Opening in the eye that lets in light |
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Diaphragm |
Large muscles below lungs |
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Photoreceptors |
Light sensitive cells in a retina |
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Optic nerve |
Nerve that leads from the retina to the brain |
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Nocturnal |
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Microscopes |
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Refracting telescopes |
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Binoculars |
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Intensity |
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Tanslucent |
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Non-luminous |
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Regular reflection |
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Incident rays |
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Normal |
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Angle of reflectiopn |
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Focal point |
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Concave mirror |
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Lens |
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Convex lens |
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Wavelength frequency |
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Electromagnetic spectrum |
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Incandenscent |
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Phosphor |
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Photophore |
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Primary colours |
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Theory colours |
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Theory of colour addition |
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Aperture |
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Shutter |
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Rods |
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Film |
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Compound eye |
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Pixels |
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Charge coupled device |
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Iris |
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Retina |
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Cones |
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Camera eyes |
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Ommatidium |
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