Two radioactive elements A and B initially have same number of atoms. The half life of A is same as the average life of B. If \lambda_A and \lambda_B are decay constants of A and B respectively, then choose the correct relation from the given options.

\lambda_{ {\A}}=\lambda_{ {\B}}

\lambda_{ {\A}}=\lambda_{ {\B}} \ln 2

\lambda_{ {\A}}=2 \lambda_{ {\B}}

\lambda_{ {\A}} \ln 2=\lambda_{ {\B}}

BITSAT 2023 Shift 2 Solved Paper

Section: Physics

Question : 24 of 130

Marks: +1, -0

Two radioactive elements A and B initially have same number of atoms. The half life of A is same as the average life of B. If λA and λB are decay constants of A and B respectively, then choose the correct relation from the given options.

λA=λB
λA=λB‌ln‌2
‌‌λA=2λB
‌‌λA‌ln‌2=λB

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