C. a. 20. Which of the following sequence of colors arranged from highest to lowest energy? Yellow-Blue-Violet-Red b. Violet-Blue-Yellow-Red Red-Yellow-Blue-Violet d. Red-Violet-Blue-Yellow 21. The process of separating white light into bands of colors using a prism is known as: Refraction b. Dispersion C. Reflection d. diffraction 22. A rainbow usually appears in the sky after a rain. Which of the following statements best explains this observation? a. Raindrops act as prisms separating sunlight into colors. b. The white clouds are actually prisms composed of different colors.​