Fact 1: When light enters the eye through the pupil , that light falls on the retina.

Fact 2: Light is the visible form of electromagnetic energy.

Given the two facts above, answer the question "What goes to the retina upon entering the eye?" with the following options: 
- sensory neurons
 - Your sensory system picks it up
 - sound energy
 - an electron microscope
 - electromagnetic energy
 - vibrations
 - Electrical energy
 - heat waves


 

     electromagnetic energy    