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Byju's Answer
Standard X
Physics
Chain Reaction
1 a.m.u. of m...
Question
1
a.m.u.
of mass
≈
A
845
MeV
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B
932
MeV
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C
1016
MeV
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D
908
MeV
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Solution
The correct option is
B
932
MeV
Given:
1
a.m.u.
of mass is lost, i.e.
Δ
m
=
1
a.m.u.
=
1.66
×
10
−
27
kg
We know,
E
=
Δ
mc
2
E
=
1.66
×
10
−
27
kg
×
(
3
×
10
8
m s
−
1
)
2
E
=
1.494
×
10
−
10
J
1
MeV
=
1.602
×
10
−
13
J
⟹
E
=
(
1.494
×
10
−
10
)
(
1.602
×
10
−
13
)
=
932.58
MeV
≈
932
MeV
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