Radiation Flashcards
1
Q
What is radiation?
A
Radiation is the transfer of heat energy by the emission or absorption of infra-red radiation
2
Q
Object Colours matter how?
A
Different coloured objects are better at absorbing and emitting or reflecting
3
Q
Reflecting radiation
A
Dark, matt objects are poor reflectors of radiation
Light, shiny objects are good reflectors of radiation
4
Q
Absorbing radiation
A
Dark, matt objects are good absorbers of radiation
Light, shiny objects are poor absorbers of radiation
5
Q
Emitting radiation
A
Dark, matt objects are good emitters of radiation
Light, shiny objects are poor emitters of radiation
At the same temperature a dark, matt object will emit more than a light, shiny object
