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The reaction occurs with both nuclei initially at rest
PHYSICS · Subjective · CBSE · Physics · Nuclei · Nuclei
Problem
The reaction
1
1
H
+
3
7
Li
→
4
8
Be
+
γ
_1^1\text H +\;_3^7\text{Li}\;\rightarrow\;_4^8\text{Be}+\gamma
1
1
H
+
3
7
Li
→
4
8
Be
+
γ
occurs with both nuclei initially at rest. Given masses:
m
(
1
1
H
)
=
1.00728
u
,
m
(
3
7
Li
)
=
7.01600
u
,
m
(
4
8
Be
)
=
8.00531
u
.
\;m(_1^1\text H)=1.00728\,\text u,\; m(_3^7\text{Li})=7.01600\,\text u,\; m(_4^8\text{Be})=8.00531\,\text u.
m
(
1
1
H
)
=
1.00728
u
,
m
(
3
7
Li
)
=
7.01600
u
,
m
(
4
8
Be
)
=
8.00531
u
.
If
1
u
=
931.5
MeV
/
c
2
1\,\text u = 931.5\,\text{MeV}/c^2
1
u
=
931.5
MeV
/
c
2
, calculate the energy (in MeV) released as the
γ
\gamma
γ
photon.
Related theory
Radioactivity
Mass-Energy Equivalence
Mass defect and binding energy
Nuclear physics
Mass-energy relation
Nuclei
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