Explain the dispersion of light through a prism

Dispersion of light can be defined as spreading of light into its full spectrum of different wavelengths due to passing of white light through a denser medium.

Generally, this denser medium is taken to be a prism. When a ray of white light passes through a prism, it gets dispersed into seven consequent colours due to the bending of different colours by different angle due to different wavelengths, red having the highest wavelength and violet having the lowest wavelengths in the seven colours.

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