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paper 1
topic 4
contamination
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Cards (4)
contamination is
radioactive
particles getting onto
objects
outside body,
beta
and
gamma
sources are the most dangerous because they can
penetrate
the body
inside the body
alpha
sources are the most
dangerous
because the do all their
damage
in a very
localised
(remains in a
small area
) area
irradiation
is being
exposed
to
radiation