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Standard XII
Physics
Half Life and Average Life
Obtain approx...
Question
Obtain approximately the ratio of the nuclear radii of the gold isotope
79
A
u
197
and the silver isotope
47
A
g
107
.
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Solution
Let
R
A
u
be the nuclear radius of the gold isotope and
R
A
g
be the nuclear radius of the silver isotope.
We have the mass number of the gold,
A
A
U
is
197
and the mass number of the silver,
A
A
g
is
107
.
The ratio of the radii of te two nuclei is related with their ass number as:
R
A
u
R
A
g
=
(
A
A
u
A
A
g
)
1
3
=
(
197
107
)
1
3
=
1.2256
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