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For the fusion reaction ^2_ 1 H +^3_ 1 H ; ;^4_ 2 He +^1_ 0 n
PHYSICS · Subjective · CBSE · Physics · Nuclei · Nuclei
Problem
For the fusion reaction
1
2
H
+
1
3
H
→
2
4
H
e
+
0
1
n
,
^2_{1}\mathrm{H}+^3_{1}\mathrm{H}\;\rightarrow\;^4_{2}\mathrm{He}+^1_{0}\mathrm{n},
1
2
H
+
1
3
H
→
2
4
He
+
0
1
n
,
use the atomic masses
2
H
=
2.014102
u
^2\mathrm{H}=2.014102\,\text{u}
2
H
=
2.014102
u
,
3
H
=
3.016049
u
^3\mathrm{H}=3.016049\,\text{u}
3
H
=
3.016049
u
,
4
H
e
=
4.002603
u
^4\mathrm{He}=4.002603\,\text{u}
4
He
=
4.002603
u
,
1
n
=
1.008665
u
^1\mathrm{n}=1.008665\,\text{u}
1
n
=
1.008665
u
to determine: (a) the Q-value in MeV, (b) the same energy in joule. Take
1
u
=
931.5
MeV
/
c
2
1\,\text{u}=931.5\,\text{MeV}/c^{2}
1
u
=
931.5
MeV
/
c
2
and
1
eV
=
1.6
×
10
−
19
J
1\,\text{eV}=1.6\times10^{-19}\,\text{J}
1
eV
=
1.6
×
1
0
−
19
J
.
Related theory
Nuclear Fusion
Nuclear Reactions
Mass-Energy Equivalence
Nuclear physics
Mass defect and binding energy
Mass-energy relation
Nuclei
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