The sequence of colors observed is Violet, Indigo, Blue, Green, Yellow, Orange, and Red, forming the acronym VIBGYOR.
What is the sequence of colors observed when white light passes through a prism and forms a band of colors on a screen?
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When white light passes through a prism, it undergoes dispersion, separating into its component colors. The sequence of colors, known as the visible spectrum, is often remembered using the acronym ROYGBIV: Red, Orange, Yellow, Green, Blue, Indigo, and Violet. These colors represent different wavelengths of light, with red having the longest wavelength and violet the shortest. The dispersion occurs because each color bends by a unique angle as it passes through the prism, resulting in the characteristic band of colors on a screen or surface, showcasing the continuous spectrum present in white light.