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Electromagnetic waves Facts
All electromagnetic waves are transverse waves
Electromagnetic waves are made up of oscillating electric ands magnetic fields. They do not carry charges
All magnetic waves can travel without a medium, with the same speed of 3.0 × 10^8 m/s in a vacuum
The wave speed applies to all electromagnetic waves
Radio waves uses
Radio broadcasting
Television communication
Astronomy
Radio frequency identification tags
Microwaves uses
Mobile phones
Microwave open
Satellite television
Infrared
Infra-red remote controls
Intruder alarms
Thermal imaging
Visible light
Photography
Optical fibres medicine and telecommunications
Ultraviolet
Sunbeds
Bank notes authentication
Disinfecting water
X-rays
Medical radiology
Security screening
Industrial defection
Gamma rays
Sterilising food
Detection of cancer and its treatments