Unit C - Light and Optical Systems Flashcards
1
Q
What is reflection?
A
when light is bounced back from a surface
2
Q
What is refraction?
A
when a light ray shines through two materials of different of different density , the light is bent
3
Q
What is absorbption?
A
when surfaces soak up light and usually change it to a different kind of energy like heat
4
Q
What is transparent?
A
materials often called “see through” and light rays can travel through them
5
Q
What is translucent?
A
materials let some but not all light travel through them
6
Q
What is opaque?
A
materials that don’t let any light travel through them