Chapter 3 - Refraction Flashcards
1
Q
What is refraction?
A
When light changes direction as it travels from one material to another.
2
Q
What is the angle of refraction?
A
The angle between the normal and the refracted ray.
3
Q
What happens when light travels from a less dense to a more dense material?
A
It refracts towards the normal.
4
Q
What is dispersion?
A
When different colours of light refract by different amounts as they travel through a prism, creating a spectrum (rainbow).
