EM Spectrum Flashcards
1
Q
what type of waves are EM waves?
A
transverse
2
Q
what speed do the waves travel at?
A
3x10^8
3
Q
what is the em spectrum?
A
-radio
-microwave
-infrared
-visible
-ultra violet
-xray
-gamma
4
Q
if the wavelength is short what is the frequency?
A
high
5
Q
describe radio waves?
A
-tv and radio
-no dangers
6
Q
describe microwaves?
A
-cooking
-burns
7
Q
describe infrared?
A
-night vision
-burns
8
Q
describe visible light?
A
-seeing
-eye damage
9
Q
describe ultraviolet?
A
-tanning salons
-cancer
10
Q
describe x-ray?
A
-medical imagery
-cancer
11
Q
describe gamma?
A
-sterilising medical equipment
-cancer
12
Q
describe ionising radiation?
A
As frequency increases and wavelength decreases the waves get so small they can interact with cells, DNA and atoms.
13
Q
A