`N_(1)` atoms of a radioactive element emit `N_(2)` beta partilces per second. The decay cosntant of the element is (in `s^(-1)`)

N_1 atoms of a radioactive element emit N_2 beta particles per second. Find the decay constant of the element (in s^(-1) )

N atoms of a radioactive element emit n alpha particles per second. The half-life of tge element is.

N atoms of a radioactive element emit n alpha particles per second. The half-life of tge element is.

N atoms of a radioactive element emit n , alpha particles per sec. Half life of the element is

N atoms of a radioactive substance emit n alpha -particles per second. The half life of the radioactive substance is

The rate of decay of a radioactive element at t=0 instant 10^(3) disintegrations per second. If the half life of the elements is Is, then the rate of decay after Is will be

The half line of a radioactive element is 2n year. The fraction decayed in n year.

The radioactive decay rate of a radioactive element is found to be 10^(3) disintegration per second at a certain time . If the half life of the element is one second , the decay rate after one second is?

The radioactive decay rate of a radioactive element is found to be 10^(3) disintegration per second at a cartain time . If the half life of the element is one second , the dacay rate after one second ….. And after three second is ……