When a beam of white light passes through a glass prism, it is separated into its component colours. Which of the following terms refers to this process?

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Dispersion refers to the splitting of white light into its component colours as it passes through a prism. Iridescence refers to the phenomena of colors changing based on the viewing angle, diffraction refers to the bending of light as it passes through a narrow opening or slit, and selective scattering refers to the process where certain wavelengths of light are more strongly scattered than others.

When a Beam of White Light Passes Through a Glass