Two redioactive nuclei A and B have disintegration constants `lamda_(A)andlamda_(B)` and initially `N_(A)andN_(B)` number of nuclei of them are taken, then the time after which their undisintegrated nuclei are same is

Two radioactive material A and B have disintegration constants 10lambda and2lambda respectively. If initially they have same number of nuclei, then the ration of number of nuclei of A and B will be (1)/(e) after a time of :

Two radioactive nuclides A and B have decay constant 10lambda and lambda respectively. If initially they have same number of nuclei, calculate the ratio of nuclei of A and B after a time 1//9lambda

Two radioactive materials A & B have decay constant 3lamda and 2lamda respectively. At t=0 the numbers of nuclei of A and B are 4N_(0) and 2N_(0) respectively then,

Two radioactive materials A & B have decay constant 3lamda and 2lamda respectively. At t=0 the numbers of nuclei of A and B are 4N_(0) and 2N_(0) respectively then,

A stable nuclei C is formed from two radioactive nuclei A and B with decay constant of lambda_1 and lambda_2 respectively. Initially, the number of nuclei of A is N_0 and that of B is zero. Nuclei B are produced at a constant rate of P. Find the number of the nuclei of C after time t.

A stable nuclei C is formed from two radioactive nuclei A and B with decay constant of lambda_1 and lambda_2 respectively. Initially, the number of nuclei of A is N_0 and that of B is zero. Nuclei B are produced at a constant rate of P. Find the number of the nuclei of C after time t.

Two radioactive materials A and B have decay constants 10lambda and lambda , respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of A of that of B will be 1//e after a time :