Dispersion of Light by Prisms

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Alice Bazyar
November 8th, 2018
Wavelength Blog

Dispersion of Light by Prisms


White light or visible light includes many elements of colors that is formed by a triangular prism. The light is then transferred into a rainbow channel; red, orange, yellow, green, blue, and purple. This partition is called a Dispersion. Each color of the prism is a characteristic in a type of wave frequency. Some types of frequencies bend differently than others. An Optical Density is a measure of the tendency of a material to slow down light as it travels within. When a light wave encroaches upon an atom of a material, it is consumed by that atom; this makes the atoms in the cells to vibrate. If though, the frequency of the light wave doesn’t match the resonance, then the light wave will be addressed by the atom at the same frequency at which it encroached upon it.


The optical density of a material is the result of the tendency of the atoms of a material to maintain the absorbed energy of the light wave in the form of vibrating electrons before remitting it as a new electromagnetic disturbance. Light wave travels through a vacuum at a speed of 3.00 x 10*8 ms.

        This all adds up as a dispersion, can help us in the future through color, atoms, energy, and other kinds of sources of wavelength power.



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