Partof
Electromagnetic
Spectrum
Frequency(Hz)
(FoundintheImageof
theText)
EnergyLevel
(PuteitherLowest,Low,Highest,
High/
Anythingabove forHzis 1015
high)
PracticalUse-List2
Infrared
300 GHz - 400 THz
Lowest
Thermal imaging, remote control, heating, night vision
Microwaves
300 MHz - 300 GHz
Low
Cooking, telecommunications, radar
Radio Waves
30 Hz - 300 GHz
Low
Broadcasting, communication, navigation