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13 Cards in this Set
- Front
- Back
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Optical device |
any device that uses light (microscopes, mirrors, lenses & telescopes) |
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Microscope |
Optical device used for viewing very small objects; has at least 2 lenses (objective & eyepiece) |
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Telescope |
Optical device used for viewing very distant objects (2 types: reflecting & refracting) |
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Refracting Telescope |
telescope that uses 2 lenses to form an enlarged image |
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Reflecting Telescope |
telescope that uses a curved mirror to form an enalragred image |
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Binocuklars |
device for viewing very distant objects; made up of 2 short refracting telescopes |
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Ray Diagram |
diagram used to represent how light travels |
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Intensity |
brightness of light |
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Transparent |
materials that let all light pass through |
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Translucent |
Allows some light to pass through |
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Opaque |
Does not let any let pass through |
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non- luminous |
describes objects that do notproduce light but may reflect it (for example, themoon); most objects on earth are non-luminous
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luminous |
describes objects that produce light( the sun, light bulb, fire)
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