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JEEMAIN and NEET
>>
Physics
>>
Class12
>>
Atoms
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Q)
Radio isotopes of phosphorous
P
32
and
P
35
are mixed in ratio of 2:1 of atoms .The activity of samples 2
μ
C
i
.Find activity of sample after 30 days.
t
1
2
of
P
32
=
14
days and
t
1
2
of
P
33
is 25 days.
(
a
)
0.54
C
i
(
b
)
3.2
C
i
(
c
)
1.2
C
i
(
d
)
4.8
C
i
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