Radiation Flashcards
1
Q
What is thermal radiation?
A
The movement of heat in the form of electromagnetic waves, which can travel through a vacuum.
2
Q
What happens when radiation hits an object?
A
It may be absorbed, reflected or transmitted.
3
Q
Absorption is when…
A
Dark colours absorb radiated heat.
4
Q
Reflection is when…
A
Light colours reflect radiated heat.
5
Q
Transmission is when…
A
Clear materials, such as glass, transmit radiated heat.
6
Q
What does radiation heat mean?
A
When it is transmitted without any physical contact between objects?
