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Byju's Answer
Standard IX
Chemistry
Atomic Number
Obtain the bi...
Question
Obtain the binding energy of a nitrogen nucleus
(
7
N
14
)
from the following data:
m
H
=
1.00783
a.m.u.,
m
n
=
1.0087
a.m.u.;
m
N
=
14.00307
a.m.u.
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Solution
m
H
= 1.00783 amu
m
n
= 1.0087 amu
m
N
= 14.0030u amu
In
7
N
14
, these are 7 protons and 7 neutrons.
∴
mass defect,
Δ
=
(
7
m
H
+
7
m
n
)
−
m
N
=(7×1.00783)+(7×1.00807)-14.00307=0.11243 amu
Binding energy of nitrogen nucleus
=
Δ
×931 MeV =0.11243×931
=104.67
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Q.
The masses of neutron and proton are
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and
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.
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respectively. If the neutrons and protons combine to form a helium nucleus (alpha particles) of mass
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Find the binding energy of an
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Q.
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