Cooking and Communicating With Waves
I created these to help me revise. Mainly contains info about cooking and microaves.
- Created by: Kelly MacDonald
- Created on: 25-01-14 15:58
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- Cooking and Communicating With Waves
- Infrared
- Doesn't penetrate food very easily
- Infrared are non-ionising waves that produce heat used in toasters and electric fires
- Microwaves
- Can penetrate up to 1cm in food
- Have wave lengths between 1mm and 30cm
- Satellites are used for microwave communication
- The signal from Earth is received, amplified and re-transmitted back to Earth
- Microwaves are reflected by shiny metal surfaces
- Microwaves can penetrate glass and plastic
- Infrared
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