C1-Radiation

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which surface is good at emitting radiation and good at absorbing it?
dark, matt surfaces
1 of 6
Which surface isn't good at emitting or absorbing radiation?
Light, shiny surfaces
2 of 6
Define emit.
Give out
3 of 6
Define absorb.
To take in.
4 of 6
Explain why infrared cameras are more effective at night.
Infrared radiation from the sun reflects off the ground and other objects and obscures the images of the people.
5 of 6
Explain why it might be a good idea to paint radiators black in a house.
The radiators will give out more heat because black is a good emitter of infrared radiation
6 of 6

Other cards in this set

Card 2

Front

Which surface isn't good at emitting or absorbing radiation?

Back

Light, shiny surfaces

Card 3

Front

Define emit.

Back

Preview of the front of card 3

Card 4

Front

Define absorb.

Back

Preview of the front of card 4

Card 5

Front

Explain why infrared cameras are more effective at night.

Back

Preview of the front of card 5
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