Topic P6 - Waves Flashcards
1
Q
How can radio waves be produced?
A
By oscillations in electrical circuits
2
Q
What happens when radio waves are absorbed?
A
They may create an alternating current with the same frequency as the radio wave itself so radio waves can themselves introduce oscillations in an electrical circuit
3
Q
Measurement for radiation dose?
A
Sieverts
4
Q
Uses for radio waves
A
Television and radio
5
Q
Uses for microwaves
A
Satellite communications
Cooking food
6
Q
Uses for infrared
A
Electrical heaters
Cooking food
Infrared cameras
7
Q
Uses for visible light
A
Fibre optic communications
8
Q
Uses for ultraviolet light
A
Energy efficient lamps
Sun taning
9
Q
Uses for x rays and gamma rays
A
Medical imaging and treatement
