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BITSAT 2014 Solved Question Paper
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© examsnet.com
Question : 38
Total: 150
Let binding energy per nucleon of nucleus is denoted by
E
b
n
and radius of nucleus is denoted as r. If mass number of nuclei A, B and 64 and 125 respectively then
r
A
<
r
B
,
E
b
n
A
<
E
b
n
B
r
A
>
r
B
,
E
b
n
A
>
E
b
n
B
r
A
=
4
5
r
B
,
E
b
n
A
<
E
b
n
B
r
A
<
r
B
,
E
b
n
A
>
E
b
n
B
Validate
Solution:
r =
r
0
(
a
)
1
∕
3
r increases with increasing A mass number
So,
r
A
<
r
B
as mass number of A is smaller
E
b
n
decreases with increasing A for A > 56,
56
F
e
has highest
E
b
n
value.
So,
E
b
n
for A = 64 is larger as compared to
E
b
n
for nucleus with A = 125
© examsnet.com
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