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Physics
Physics
Problem
The half-life of a certain isotope is
T
1
/
2
T_{1/2}
T
1/2
. If its decay constant becomes
2
λ
2\lambda
2
λ
instead of
λ
\lambda
λ
, the new half-life will be a)
2
T
1
/
2
2T_{1/2}
2
T
1/2
b)
T
1
/
2
T_{1/2}
T
1/2
c)
T
1
/
2
2
\dfrac{T_{1/2}}{2}
2
T
1/2
d)
T
1
/
2
ln
2
\dfrac{T_{1/2}}{\ln 2}
ln
2
T
1/2
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