Radio Waves

Used for communica/ons Energy: Low energy

Wavelength: a few cm to a few km

Frequency: 102Hz to 108Hz

Dangerousness: Not dangerous

Microwaves

Used for communica/ons & hea/ng food

Energy: Low energy

Wavelength: 0.1 cm to 10 cm Frequency: 109Hz to 1011Hz Dangerousness: Low risk

Infrared Waves

Used in remote controls, to heat things and used to

detect people & res

Energy: Moderate energy

Wavelength: 0.0007 mm to 0.003 mm Frequency: 1012Hz to 1014Hz Dangerousness: Some risk (Can burn)

Visible Light

Used to see, measure things & photography

Energy: Moderate energy Wavelength: 0.0004mm to 0.0007 mm Frequency: 1015Hz Dangerousness: Not dangerous

Ultraviolet Light

Used in sunbeds, to kill bacteria and in security marking

Energy: Moderate energy

Wavelength: 0.00001mm to 0.0004 mm Frequency: 1016Hz Dangerousness: Fairly (burns skin & eyes)

X Rays

Used to see through things Energy: High energy Wavelength: 10-10 m Frequency: 1018 Hz Dangerousness: Very (High dose burns, causes cancer)

Gamma Rays

Used in medical treatment & to sterilise things

Energy: High energy Wavelength: 10-14 m Frequency: 1020 Hz Dangerousness: Very (High dose burns, causes cancer)