Name the:

a. Component of white light that deviates the least.


b. Component of white light that deviates the most, while passing through a glass prism.

The visible spectrum of light consists of 7 colours. These are mentioned along with the wavelength as below:


a. As the red colour has the maximum wavelength, it will deviate the least. It has less velocity, and thus deviated the least.


b. As the violet colour has the minimum wavelength, it will deviate the most.


Small wavelengths have larges velocity due to which is it deviated the most.


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