Question

What happens when a ray fo white light passes through a glass prism?

Answer 1

The prism split the incident white light into a band of colors. The various colors seen are Violet, Indigo, Blue, Green, Yellow, Orange and Red. The acronym VIBGYOR helps to remember the sequence of colors. The band of the colored components of a light beam is called its spectrum. The splitting of light into its component colors is called dispersion.