Gamma rays X-rays Ultravio let Visible Infra-red Microwaves Radio Wavelength size comparison Can penetrate atmosphere? Absorb Reflect Emit Transmit Penetrate Energy Frequency Wavelength Waves (Definitions of Frequency/Wavelength/Wav e equation/amplitude) Ionisati on/How this causes cancer Skins Protection Radiotherapy Ionosphe re Heating and Absorption (Applies to all EM Waves but questions mainly on Microwaves and Infra-Red) Alternating Current/Voltage (Aerials etc) How EM waves interact with matter Annotate me... Optical Fibres Fluorescence X-Ray Photographs Sterilisation/Kill Harmful Bacteria Infra-Red Cameras Mobile Phones (Infra- Red, Bluetooth, Making calls etc) Satellite Communication International Radio Analogue and Digital signals (How waves used for communication can be sent) Other Info Used In Medicine Used mainly for communication Used to heat things up Local Radio and TV Prefixes nano (n) - 10 -9 – 0.000000001 micro (µ) - 10 -6 – 0.000001 milli (m) - 10 -3 – 0.001 kilo (k) - 10 3 – 1000 Mega (M) - 10 6 – 1000000 Giga (G) - 10 9 – 1000000000 Centi (c) – 10 -2 – 100 12 km = 12000m 15cm = 0.15m 700nm = 7.0 x 10 -7 m You don’t really need to know the small ones like milli and micro but it helps.... Info that can be sent Damage to human tissue Detectors Sources
Gamma rays X-rays Ultraviolet Visible Infra-red Microwaves Radio Wavelength size comparison Can penetrate atmosphere? Absorb Reflect Emit Transmit Penetrate.
Mar 26, 2015
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Gamma rays
X-ra
ysU
ltrav
iole
t
Visible
Infr
a-re
dM
icro
wav
esRa
dio
Wav
elen
gth
size
com
paris
on
Can
pene
trat
e a
tmos
pher
e?
Absorb
Reflect
Emit
Transmit
Penetrate
Ener
gy
Freq
uenc
y
Wav
elen
gth
Waves (Definitions of Frequency/Wavelength/Wave equation/amplitude)
Ionisation/How this
causes cancer
Skins Protection
Radiotherapy
Ionosphere
Heating and Absorption (Applies to all EM Waves but questions mainly on Microwaves
and Infra-Red)
Alternating Current/Voltage (Aerials etc)
How EM waves interact with matter
Annotate me...
Optical Fibres
Fluorescence
X-Ray Photographs
Sterilisation/Kill Harmful Bacteria
Infra-Red Cameras
Mobile Phones (Infra-Red, Bluetooth, Making calls etc)
Satellite Communication
International Radio
Analogue and Digital signals (How waves used for communication can be sent)
Oth
er In
fo
Use
d In
Med
icin
eU
sed
mai
nly
for c
omm
unic
ation
Use
d to
hea
t thi
ngs
up
Local Radio and TV
Prefixesnano (n) - 10-9 – 0.000000001
micro (µ) - 10-6 – 0.000001milli (m) - 10-3 – 0.001
kilo (k) - 103 – 1000Mega (M) - 106 – 1000000
Giga (G) - 109 – 1000000000
Centi (c) – 10-2 – 100
12 km = 12000m15cm = 0.15m
700nm = 7.0 x 10-7 mYou don’t really need to know
the small ones like milli and micro but it helps....
Info
that
can
be
sent
D
amag
e to
hum
an ti
ssue
Det
ecto
rs
Sour
ces
EM Waves Interaction with Matter
Wave Basics
Prefixes
Gamma Rays
Radiotherapy
Sterilisation of surgical instruments and killing bacteria in food
X-Rays
X-Ray Photographs
Medical Physics
Ultraviolet
Flourescence
Sun tans and melanin
Ionisation of atoms
Cancer
Communications
Visible Light
Infra-Red
Infra-Red Cameras
Optical Fibres
Microwaves
Mobile Phones
Heat Transfer using EM Waves
Radiowaves
Satellite Communications
Local Radio and TV
International Radio
The Ionosphere
Aerials and Alternating Currents
Analogue and Digital Signalling
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