Radiation Flashcards
1
Q
What is radiation?
A
Radiation is a method of Heat transfer that does not rely on particle movement to gain energy. It is a form of electromagnetic wave.
2
Q
What do electromagnetic waves do?
A
Electromagnetic waves can transmit energy through a vacuum, such as outer space, where there are no particles to vibrate.
3
Q
What is infrared radiation?
A
Infrared radiation is heat energy transmitted by radiation. The hotter something is, the more heat is radiated.
4
Q
When radiated energy hits a surface, the heat may be:
A
Absorbed, reflected or transmitted.
