1.2 Surfaces And Radiation Flashcards
1
Q
What type of surface is the best for absorbing infrared radiation?
A
Matt surfaces
2
Q
Why are houses in hot countries often painted white?
A
So they don’t absorb as much heat
3
Q
What colour surface is the best for emitting infrared radiation?
A
Dark colours
4
Q
What type of surfaces are best at emitting infrared radiation?
A
Matt surfaces
5
Q
What does it mean if an object is a good emitter of infrared radiation?
A
It will transfer energy and cool down more quickly
6
Q
Why are the pipes on the fridge often painted black?
A
Because black surfaces are the best emitters of infrared radiation
7
Q
What surfaces are the best for reflecting infrared radiation?
A
Shiny
8
Q
What colour is the best absorber of infrared radiation?
A
Dark colours
