Which of the two colours of spectrum forms the extremes?

Correct option is A

Violet and Red are the two colors of spectrum form the extremes.
· The full sequence of colors in the visible spectrum, from shortest to longest wavelength, is typically remembered using the acronym "ROYGBIV," which stands for Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
· Violet bends the most because it has a shorter wavelength compared to other colors and the red color bends the least and can be seen at the end opposite to the base of the prism.
· Change in the direction of propagation of light when passed through a different medium is called refraction of light.