Light Flashcards
1
Q
How does light travel?
A
In straight lines
2
Q
What is refraction?
A
Itβs where light bends.
3
Q
How does refraction work?
A
When light passes from one material to another it changes speed. The angle of refraction is bigger than the angle of incidence
4
Q
How do we know white light has the spectrum inside it?
A
The light can be split up using a prism to see the spectrum. Light is refracted when it enters the prism and each colour is refracted by a different amount
5
Q
What are the primary colours of white light?
A
Red green and blue
6
Q
What type of wave does light travel in?
A
Transverse waves
7
Q
What colour would magenta light look through a red filter?
A
It would look red