You are presented with the quiz "what is formed by refraction of light by separating light into all different colors?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "arainbow is formed by refraction of light by separating light into all different colors" and "rainbow A most charming example of chromatic dispersion is a rainbow". 

So, what's the best answer to the question?


 

   chromatic dispersion        