Answer :
Final answer:
Dispersion of light occurs in a glass prism because lights of different colors have different speeds in a medium, causing them to refract or bend differently. This leads to the light being separated into its constituent colors as it exits the prism, a phenomenon known as dispersion.
Explanation:
The dispersion of light by a glass prism occurs due to their different refraction rates, which is attributed to the different speeds of colors in a medium. Light enters the prism, and the path of light is refracted or bent. However, not all colors are bent the same amount. The bending of light depends on the wavelength and property of the material (the prism).
The difference in bending causes different wavelengths or colors of light to follow slightly altered paths through the prism. Violet light, in particular, is bent more than red light. This phenomenon is called dispersion. As light exits the prism, it gets bent again and further dispersed, separating the white light into its constituent colors, producing a spectrum similar to a rainbow.
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