Question

When a single color ray has been sent through a prism, does it split into
more colors?

Answer 1

Answer:

This is how when passing through a prism, dispersion of light (white light) happens wherein it splits into it's seven constituent colours. Different colors of different wavelength experience different degree of deviation and hence when put through refraction,white light splits into its constituent colors.

Answer 2

Answer:

When a single white colour Ray has been sent through a prism it split it into seven more colours