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Home
»
Modern Physics
»
Nuclei
» Question
Nuclei
Easy Questions
Modern Physics
Dual Nature of Radiation and Matter
Atoms
Nuclei
Semiconductor Electronics : Materials, Devices and Simple Circuits
The decay constant (λ) and the half-life (T) of a radioactive isotope are related as
λ =
log
e
2
T
λ =
1
log
e
2.T
λ =
T
log
e
2
λ =
2
T
Correct Option:
A
t =
1
log
a
λ
a - x
When t = T,
x =
a
2
T =
1
log
a
=
1
log
e
2
λ
a -
a
λ
2
⇒ λ =
1
log
e
2
T
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