em waves Flashcards
(8 cards)
1
Q
what type of waves are em waves?
A
tranverse
2
Q
how do em waves transfer energy?
A
transfer energy from source to absorber
3
Q
what is the mnemonic for the em spectrum?
A
raw meat is very unsanitary except giraffes
4
Q
how does frequency change as you go from radiowaves-> gamma rays?
A
low frequency -> high frequency
5
Q
how does wavelength change as you go from radiowaves -> gamma rays?
A
long wavelength -> short wavelength
6
Q
em spectrum is continous, what is meant by this?
A
cut off point from one type of wave is not always clear
7
Q
em waves do not require a ________ to travel in?
A
em waves do not require a medium to travel in
8
Q
all em waves travel at the same _____?
A
all em waves travel at the same speed
