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The ratio of half-life times of two elements \( A \) and \( B \) is \( \frac{T_{A}}{T_{B}} \).
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W
The ratio of respective decay constant \( \frac{\lambda_{A}}{\lambda_{B}} \), is
[J \& K CET 2008]
(a) \( T_{B} / T_{A} \)
(b) \( T_{A} / T_{B} \)
(c) \( \frac{T_{A}+T_{B}}{T_{A}} \)
(d) \( \frac{T_{A}-T_{B}}{T_{A}} \)
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