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The decay constant of a radioactive element is `3 xx 10^(-6) "min"^(-1)`. Its half-life isA. `2.31 xx 10^(5)` minB. `2.31 xx 10^(6)` minC. `2.31 xx 10^(-6)` minD. `2.31 xx 10^(-7)` min |
Answer» Correct Answer - A `t_(1//2) = (0.693)/(lamda) = (0.693)/(3 xx 10^(-6) "min"^(-1)) = 2.31 xx 10^(5)` min |
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