emission and absorbtion Flashcards
1
Q
what objects emit electromagnetic radiation
A
all objects
2
Q
what do objects at a higher temperature emit
A
emit more electromagnetic radiation at a higher temperature
3
Q
what does temperature of an object relate to
A
temperature of an object relates to the balence between incoming and outgoing radiation
4
Q
what causes seismic waves
A
earthquakes
5
Q
which siemic waves is faster
A
P-waves
6
Q
which seismic wave can travel through liquids
A
P-waves
7
Q
what are P-waves
A
longitudinal
8
Q
what are S waves
A
transverse
9
Q
define intensity
A
the power of radiation per unit area
how much energy transfers o a given area