8.3.4 - Radiation and Temperature Flashcards
1
Q
What do all objects emit?
A
Electromagnetic radiation.
2
Q
What do warm objects emit?
A
Infrared radiation.
3
Q
How can you view infrared radiation?
A
With a thermal imaging camera.
4
Q
What does the type of radiation that an object emits depend on?
A
The temperature.
5
Q
What does a hotter object emit in comparison to a cooler object?
A
More radiation of a higher frequency (shorter wavelength) and less radiation of a lower frequency (longer wavelength).
6
Q
In what situation will something stay at a constant temperature?
A
If it emits the same amount of radiation that it absorbs.
7
Q
The more radiation, the … the object?
A
Hotter.
