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BITSAT 2012 Solved Question Paper
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© examsnet.com
Question : 37
Total: 150
If the total binding energies of
2
1
H
,
4
2
H
e
,
56
26
F
e
&
235
92
U nuclei are 2.22, 28.3, 492 and 1786 MeV respectively, identify the most stable nucleus of the following.
56
26
F
e
2
1
H
235
92
4
2
H
e
Validate
Solution:
B
.
E
.
H
=
2.22
2
= 1.11
B
.
E
.
H
e
=
28.3
4
= 7.08
B
.
E
.
F
e
=
492
56
= 8.78 = maximum
B
.
E
.
U
=
1786
235
= 7.6
56
26
F
e
is most stable as it has maximum binding energy per nucleon
© examsnet.com
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