Which colour of the spectrum deviates the most when passed through the prism?

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Red

Green

Yellow

Violet

answer is D.

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Detailed Solution

The violet colour of the spectrum deviates the most when passed through the prism. Different colours of light bend through different angles with respect to the incident ray after they pass through a prism. The wavelength of the colour is inversely proportional to the deviation angle. The deviation angle of each colour depends upon their wavelength. The violet has the lowest wavelength of the seven colours so it deviates the most.

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