Flashcards in The Electronic Spectrum Deck (10):
What are the 7 parts of the EM spectrum, in order.
Visible light rays
What are radio waves used for?
Communication (TV and radio)
What are microwaves used for?
Communication (satellite TV, phones) and cooking
What are infra-red rays used for?
Cooking, remotes, fibre optics
What are Visible light rays used for?
Seeing (light), photos, fibre optics
What are Ultra-violet rays used for?
Tanning (natural &artificial), security tags and whitening (washing powder)
What are X-rays used for?
Imaging hard tissue (bone) and airport security
What are Gamma rays used for?
Sterilising, gamma knife (radiotherapy)
What are the waves like at the top of the EM spectrum?