Respuesta :
It shows the ray passing through the boundary. So that the phenomenon of the refraction occurs. Option C is correct.
What is the definition of refraction?
The phenomenon of bending of a wave as it crosses from one medium to another is said to be refraction. The difference in density is the cause of the bending.
Refraction is a term that is used to describe the phenomenon of refraction.” The change in direction of a wave traveling through one medium to another is known as refraction.”
It shows the ray passing through the boundary. So that the phenomenon of the refraction occurs.
Hence, option C is correct.
To learn more about the refraction, refer to the link;
https://brainly.com/question/17156275
#SPJ2