IR Radiation Flashcards
1
Q
What is radiation?
A
Radiation is when heat travels from one place to another as an electromagnetic wave (like light does).
2
Q
What does thermal radiation travel through?
A
A vacuum
3
Q
Why do different sides of the Lesley cube have different temperatures?
A
Different sides emit different amounts of radiation. Black or matte surfaces- good at emitting/absorbing IR radiation. White/shiny surfaces are bad at emitting and good at reflecting IR radiation.
4
Q
Why would you feel hotter on a sunny day wearing black than you would wearing white?
A