infrared radiation

Infrared radiation

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• what is infrared radiation?
• what does it do?
• how does it work?
• where does it work best?

what is infrared radiation?

• infrared radiation is constantly being absorbed and emitted by objects, it is an electromagnetic wave and is felt in the form of heat
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Slide 3

• Dark, matt surfaces are best at absorbing and emitting infrared radiation
• light, shiny surfaces are poor absorbers and poor emitters of infrared radiation
• they are also good at reflecting infrared radiation.
• The hotter an object is, the more infrared radiation they emit in a given time.
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