[" The half-life of a radioactive nucleus is "50],[" days.The time interval "(t_(2)-t_(1))" between the "],[" time "t_(2)" when "2/3" of it has decayed and the "],[" time "t_(1)" when "1/3" of it had decayed is "]

The half -life of a radioactive nucleus is 50 days. What is the time interval (t_2-t_1) between the time t_2 when 2/3 of it has decayed and the time t_1 when 1/3 of it had decayed ?

The half life of a radioactive substance is 20 minutes . The approximate time interval (t_(2) - t_(1)) between the time t_(2) when (2)/(3) of it had decayed and time t_(1) when (1)/(3) of it had decay is

The half life of a radioactive substance is 20 minutes . The approximate time interval (t_(2) - t_(1)) between the time t_(2) when (2)/(3) of it had decayed and time t_(1) when (1)/(3) of it had decay is

The half life of a radioactive substance is 20 minutes . The approximate time interval (t_(1) - t_(2)) between the time t_(2) when (2)/(3) of it had decayed and time t_(1) when (1)/(3) of it had decay is

The half-life of a radioactive substance is 20 min. The approximate time interval (t_2 – t_1) between the time t_2 when 2/3 of it had decayed and time t_1 when

The half-life of a radioactive substance is 20 min. The approximate time interval (t_2-t_1) between the time t_2 when 2/3 rd of its has decayed and time t_1 when 1/3 rd of it had decayed is - (A) 14 min (B) 20 min (C) 28 min (D) 7 min

The half life of a radioactive substance is 24 days. What is the time interval (t_2-t_1) between the time t_2 " when " 2/3 of the original material had decayed and time t_1 " when " 1/3 of its original material has decayed ?

Half-life of a radioactive substance is 20 min. The approximate time interval (t_2-t_1) between the time t_2 when 2/3 of it had decayed and time t_1 when 1/3 of it had decayed is