Topic Content:
- Dispersion and the Rainbow
- Colours of Objects
- Additive Mixing of Colours
Dispersion is the separation of white light into its component colours.
The dispersion is due to the fact that the different colours of white light travel at different speeds through a glass prism. Some materials are able to disperse light into different components.
When white light falls on a triangular glass prism, the prism bends the rays, and each colour in it is refracted at different angles, producing a coloured band.
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