Q)
(chatquestion)...A radioactive nucleus A with a half life T, decays into a nucleus B. At t = 0, there is no nucleus B. At
sometime t, the ratio of the number of B to that of A is 0.3. Then, t is given by -
T log2
2 log1.3
Q.26
(1)t=
(2) t D T.
log1.3
(3) t= T log (1.3)
(4) t =
log 2
log(1.3)
1 Answer
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