P13 Flashcards
1
Q
Infrared
A
Radiation emitted by hot objects
2
Q
Gamma rays
A
These are produced by radioactive substances
3
Q
Uv rays
A
These are the waves just behind violet light
4
Q
Optical fibres
A
These are thin glass fibres used to carry light
5
Q
Ionisation
A
This happens when x-rays or gamma rays pass through a substance
6
Q
7 types of EM waves
A
Radio waves
Microwaves
Infrared radiation
Visible light
Ultra violet
X-rays
Gamma rays