Question

The separation of white light into its component colors is called

Answer 1

The divergence of visible light into its different colors is known as dispersion :)

Answer 2

These colors are often observed as light passes through a triangular prism. Upon passage through the prism, the white light is separated into its component colors - red, orange, yellow, green, blue and violet. The separation of visible light into its different colors is known as dispersion.