RADIOACTIVE DECAYS
(ΔN)/(Δ t) = -N/τ
so N(t) = N(0) exp(-t/Ï„)
T
1/2
= 0.693 Ï„
<
NUCLEAR PROCESSES!
Q = [M
A
+ M
a
- M
B
- M
b
]c
2
.
KE
a
min
= [1 + (M
a
/M
A
)]|Q|.
Worked Examples!!
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