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2 results for “half-life”
Formulae (2)
Modern & Quantum Physics
Intermediate
Half-Life
t
1
/
2
=
ln
2
λ
t_{1/2} = \frac{\ln 2}{\lambda}
t
1/2
=
λ
l
n
2
Time for half a sample to decay.
Chemistry
Advanced
First-Order Half-Life
t
1
/
2
=
0.693
k
t_{1/2} = \frac{0.693}{k}
t
1/2
=
k
0.693
Half-life of a first-order reaction.