When white light, such as sunlight, passes through a prism or is dispersed (like in a rainbow), it splits into its constituent colours, which are typically seen as a spectrum of seven colours: Red, Orange, Yellow, Green, Blue, Indigo, and Violet (VIBGY‐ OR).
The number of colours contained in the sunlight is
Asked in UPPSC Upper Mains 2015 · Topic: Optics (Prisms and Dispersion)
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