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Flashcards in The Electronic Spectrum Deck (10):
1

What are the 7 parts of the EM spectrum, in order.

Radio waves
Microwaves
Intra-red waves
Visible light rays
Ultra-violet rays
X-rays
Gamma Rays

2

What are radio waves used for?

Communication (TV and radio)

3

What are microwaves used for?

Communication (satellite TV, phones) and cooking

4

What are infra-red rays used for?

Cooking, remotes, fibre optics

5

What are Visible light rays used for?

Seeing (light), photos, fibre optics

6

What are Ultra-violet rays used for?

Tanning (natural &artificial), security tags and whitening (washing powder)

7

What are X-rays used for?

Imaging hard tissue (bone) and airport security

8

What are Gamma rays used for?

Sterilising, gamma knife (radiotherapy)

9

What are the waves like at the top of the EM spectrum?

LONG wave
LOW energy
LOW frequency

10

What are the waves like at the bottom of the EM spectrum?

SHORT wave
HIGH energy
HIGH frequency