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Chemistry
Chemistry
Problem
Two radioactive species
A
A
A
and
B
B
B
have their decay constant
10
:
1
10 : 1
10
:
1
respectively. Both have initially the same number of nuclei. After time
t
t
t
, the ratio of nuclei of
A
A
A
and
B
B
B
becomes
1
e
\frac{1}{e}
e
1
. The average life of
A
A
A
will be
a
×
t
a \times t
a
×
t
. What is
a
a
a
?
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