P.13 Electromagnetic Waves Flashcards
1
Q
What are radio aves used for
A
When you use a mobile phone, radio waves carry signals between your
phone and the nearest mobile phone mast
2
Q
Why are radio waves used
A
They can travel lond distances (long wavelengths) and can pass through the body without being absorbed.
3
Q
What are micro waves used for
A
Microwaves are used for satellite communication, e.g. satellite
TV or satellite phones.
4
Q
Why are micro waves used
A
Short wavelength and can easily be sent to and from satalites
