Heat Radiation Flashcards
1
Q
What can infrared be emitted by??
A
Solids, liquids and gases
2
Q
The bigger the temperature difference…..
A
The father energy is transferred by heating
3
Q
What is infrared radiation
A
Emission of electromagnetic waves
4
Q
A hotter object emits …………. Radiation that it absorbs and ……… …………
A
- more
- cools down
5
Q
Radiation depends on what 2 things
A
Surface colour
Texture
6
Q
What sort of object absorb and emit more radiation
A
Dark and Matt
7
Q
What sort of object reflects more infrared ??
A
Light and shiny
8
Q
What is heat radiation??
A
The transfer of heat by infrared radiation