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AP EAMCET Engineering 2014 Code A Solved Paper
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© examsnet.com
Question : 117
Total: 160
If the radius of a nucleus with mass number 125 is 1.5 Fermi, then radius of a nucleus with mass number 64 is
0.96 Fermi
1.92 Fermi
1.2 Fermi
0.48 Fermi
Validate
Solution:
R
∝
A
1
3
⇒
R
2
R
1
=
(
A
2
A
1
)
1
3
⇒
(
64
125
)
1
3
×
1.5
R
2
=
(
4
5
)
×
1.5
=
1.2
fermi.
© examsnet.com
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