1) Television and radio a) Microwaves  b) Infrared c) Gamma rays d) Radio waves 2) Satellite communications, cooking food a) X-rays b) Microwaves  c) Ultraviolet d) Gamma rays 3) Electrical heaters, cooking food, infrared cameras a) Radio waves b) Visible light c) Infrared d) Microwaves  4) Fibre optic communications a) Radio waves b) Microwaves  c) Visible light d) Gamma rays 5) Energy efficient lamps, sun tanning a) Radio waves b) Infrared c) Microwaves  d) Ultraviolet 6) Medical imaging and treatments a) X-rays b) Radio waves c) Gamma rays d) Microwaves  7) Sterilising a) Infrared b) Ultraviolet c) Gamma rays d) Microwaves  8) These are all examples of a) transverse waves b) longitudinal waves 9) The waves with the shortest wavelength are a) radiowaves b) infra red c) x-rays d) gamma rays 10) The 3 types of waves that are ionising are a) visible, UV and, X-rays b) microwaves, X-rays, gamma c) UV, X-rays, gamma d) microwaves, x-rays, gamma

Electromagnetic spectrum

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