When white light is passed through a prism, it splits into ______ colors.

1. 7
2. 8
3. 2
4. 4

When white light passes through a prism, it undergoes dispersion, separating into its constituent colors. This spectrum consists of seven visible colors, often remembered by the acronym ROYGBIV: Red, Orange, Yellow, Green, Blue, Indigo, and Violet. This phenomenon was famously demonstrated by Isaac Newton.