electromagnetic radiation
- Created by: charlotte pratt
- Created on: 17-03-14 12:06
Other questions in this quiz
2. Infrared radiation
- in airport sercurity
- to broadcast radio and TV programmes
- in security systems such as burglar alarms
- in fluorescent lamps
3. Radio waves are used to
- to look inside objects
- short-range communications
- communicate with ships, aeroplanes and satelites
- to detect security marks using special pens
4. Gamma rays
- in remote controls for TVs
- to detect cancer
- to communicate with ships
- to make thermal images
5. Microwaves
- to disinfect water
- in remote controls
- in mobile phones, and to communicate with satelites
- to sterilise food and medical equipment
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