P14(Light) Flashcards
1
Q
What is a ‘real image’?
A
Can be seen on a screen and is formed by focusing light rays onto a screen
2
Q
What is a virtual image?
A
Cannot be touched or projected onto a screen
3
Q
Diffuse reflection
A
Light rays reflected off of a rough surface in different directions
4
Q
Refraction
A
When waves change speed when they pass between substances of different densities, causing them to change direction