use of
types radiation en
kinetic
·high energy
3last put
themaydangerous
the
I
j . somewhat
strongly
ionising
3
. most
dangerous a
at
distance
least
ionising
·
penetrating
most
·
·
gamma-
unstable Alpha emission
alpha-heavy nuclei
·
· -
proton rich ↳"The Ra 6 +
·
ip ->
neutron rich
The Beta Emission
neutrino
beta +ve
plus:p after:atomic number-1,
+
-n +
B mass number the same
be the
neutrino-neutral, is
it needed to
carry away extra
ant: mutrino
energy
so the
that total
energy will
always same.
beta -p B ve
-
+
minus:n
+
after: 2+1. A the same
,Detection devices
I
, Annihilation and Pair Production
I because
in directions
opposite
the
because
opposite cha
of
the
of
particles
Example questions:
The nucleus will be unstable
undergo
and beta
plus
A will turn into and
emission.
proton
a neutron
a result.
MeV position) position as a
1) 2 MeV r, New
Selectron)
1. In
pair production an electron is also
2) 3 2 1.675x10 27 (3x168)2 1.5075x10%)
-
= =
x +
created.
2. No involved
photon is in
position emission
neutrino is emitted production
+ no in
pair
types radiation en
kinetic
·high energy
3last put
themaydangerous
the
I
j . somewhat
strongly
ionising
3
. most
dangerous a
at
distance
least
ionising
·
penetrating
most
·
·
gamma-
unstable Alpha emission
alpha-heavy nuclei
·
· -
proton rich ↳"The Ra 6 +
·
ip ->
neutron rich
The Beta Emission
neutrino
beta +ve
plus:p after:atomic number-1,
+
-n +
B mass number the same
be the
neutrino-neutral, is
it needed to
carry away extra
ant: mutrino
energy
so the
that total
energy will
always same.
beta -p B ve
-
+
minus:n
+
after: 2+1. A the same
,Detection devices
I
, Annihilation and Pair Production
I because
in directions
opposite
the
because
opposite cha
of
the
of
particles
Example questions:
The nucleus will be unstable
undergo
and beta
plus
A will turn into and
emission.
proton
a neutron
a result.
MeV position) position as a
1) 2 MeV r, New
Selectron)
1. In
pair production an electron is also
2) 3 2 1.675x10 27 (3x168)2 1.5075x10%)
-
= =
x +
created.
2. No involved
photon is in
position emission
neutrino is emitted production
+ no in
pair
