physics topic
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prism |
You can split up white light with a prism.
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spectrum |
The seven colours of light or the rainbow are called a spectrum.
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dispersion |
Dispersion is the separating of the colours in light, for example when white light passes through a prism.
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filters |
Coloured light can be made from white light using filters.
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rods |
In the retina cells called rods can detect low levels of light, but cannot detect the colour of the light.
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cones |
In the retina, cells called cones can detect colours, but cannot detect very dim light.
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primary |
Red, blue and green are called the primary colours of light.
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secondary |
Yellow, cyam and magenta are called the secondary colours.
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ultraviolet |
The light beyond violet in the spectrum is called ultraviolet light.
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infrared |
The colour that we cannot see beyond red light is called infrared. We can feel this as heat but we cannot see it.
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* This sentence was added by a Spellzone user.
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