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Chemistry
Chemistry
Problem
Two radioactive species
A
A
A
and
B
B
B
having half life in the ratio
3
:
2
3 : 2
3
:
2
. If
A
A
A
goes to 25% decay in time
t
1
t_1
t
1
and
B
B
B
goes to 75% decay in time
t
2
t_2
t
2
. The ratio of
t
1
t_1
t
1
and
t
2
t_2
t
2
is: a.
0.311
:
1
0.311 : 1
0.311
:
1
b.
0.420
:
1
0.420 : 1
0.420
:
1
c.
0.119
:
1
0.119 : 1
0.119
:
1
d.
0.273
:
1
0.273 : 1
0.273
:
1
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