More Uses of EM Waves Flashcards
1
Q
What do fibre optic cables use to transmit data?
A
Visible light
2
Q
What are optical fibres?
A
Thin glass or plastic fibres that can carry data
3
Q
How do fibre optic cables use visible light?
A
They refract and reflect light through the wire till it reaches the end
4
Q
What is fluorescence?
A
A property of chemicals UV radiation is absorbed and visible light is emitted
5
Q
What EM wave gives you a suntan?
A
Ultra-Violet
6
Q
What industry are X-Rays and Gamma Rays often used in?
A
Medicine
7
Q
What do X-Rays do?
A
pass easily through flesh but not through bones. the radiation is absorbed leaving the image of the x-ray
