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Slide 2

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Uses
Gamma
"They can cause
"It has the a
"It has highest frequency
wavelength
"They can be fatal
cancer to biological
-15in low -
and from
wavelength
10 mout of all of
to 10
amounts cells."
12 and cure it
the EM waves."
m."
in high amounts."
Detected
Produced by of
by nuclei
geiger muller
radioactive atoms.
tube…read more

Slide 3

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Uses
X-rays
"X-rays have a wavelength
"It can cause -12cancer
of around 10 m to 10 in
-
"It
lowcan damage
amounts
10
m."and biological
cure it
in Detected
Xray cells."
larger by
diffraction
amounts."
How x-rays are
photographic film
patterns helped
produced.
scientists to work
out the structure of
DNA.…read more

Slide 4

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Uses
UV rays
"UV rays have a
"It is detected by -
wavelength
skin from
and 10
8 -6
m to 10
fluorescence."m."
It It
is can
emitted from
cause skin the
sun, black lights and
UV rays kill bacteria in
cancer.
mercury lamps, as
sewage.
well as other high
temperature matter.…read more

Slide 5

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Uses
Visible
Emitted
"It is the
"It by
has the
only sun and
waves in the
a wavelength
other
EM sources
spectrum
from of light.
that
400nm is visible
to
to 700nm."
the human eye."
Torches emit light
to help us illuminate
It is detected by eyes
objects in the dark.
of most organisms.…read more

Slide 6

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Uses
Infra-red
"It has a
"Infra
"A wavelength
red is
number ofproduced
of can
sensors by
anything
600nm
detect thatto
infra it hot."
red."
300nm."
Snakes can sense
Thermal cameras infra
red.
use infra red.…read more

Slide 7

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