refraction Flashcards
1
Q
What is refraction?
A
Refraction is the bending of light when it passes from one medium into a different medium
2
Q
Why does light change speed when it changes media?
A
light travels fastest in a vacuum, a little slower in air, and much slower in substances like water, glass and diamond.
3
Q
why does light bend in refraction?
A
Light refracts when it moves from one medium into another because it changes speed.
4
Q
What are some applications of refraction?
A
The most useful applications of refraction are in lenses. Lenses are used in a huge variety of applications.
