Respuesta :
Answer:
The correct answer is c) a change in the direction of light when it goes from one medium into a different medium.
Explanation:
I took the test
The correct definition of refraction is a change in the direction of light when it goes from one medium into a different medium.
What is refraction?
Refraction implies when the medium changes gradually the direction of light also changes its route. The wave is seen as bending due to changing density in two mediums.
Therefore, it is majorly used in lenses, telescopes, and cameras in order to focus on a beam of light.
Learn more about refraction here:
https://brainly.com/question/16484868