heat radiation Flashcards
1
Q
what are the three ways heat is transferred?
A
infra red radiation
conduction
convection
2
Q
how does convection and conduction work?
A
they involve the transfer of energy using particles
3
Q
conduction is the main form of heat transfer in what?
A
solids
4
Q
convection is the main form of heat transfer in what?
A
liquids and gasses
5
Q
how can infra red radiation be emitted?
A
through solids, liquids or gasses
6
Q
can objects absorb and emit infra red radiation?
A
yes- ANY object can absorb and emit infra red radiation, whether or not conduction or convection are also taking place
