Added by Craig Napier on Dec 15, 2008
This demonstration uses a prism, mirrors, and single slits with adjustable position, to show how refraction can be used to isolate particular colours from a white light source. Sophisticated applications of this concept are discussed, for example isolating frequencies within starlight to discover planets.
This item teaches:
- the dispersion effect caused by refraction of light through a prism
- about the nature of white light
- about the secondary colours of light
- about the primary colours of light
- 1,299 times
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