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12 Cards in this Set
- Front
- Back
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beam
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> 1 ray of light
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converge
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come together
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diverge
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spread out
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image
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a picture made when light is focused
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laser
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a very bright, very narrow beam of single coloured light
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luminous
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makes its own light
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non-luminous
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cannot make its own light
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opaque
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light cannot pass through these materials
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ray
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the straight line which light travels in
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shadow
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a dark area made by something standing between a light and a surface
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umbra
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the dark centre of a shadow
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penumbra
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the partial/lighter shadow around the centre of a shadow
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