Sample of two radioactive nuclides `A` and `B` are taken. `lambda_(A)` and `lambda_(B)` are the disintergration constants of `A` and `B` respectively. In which of the following cases, the two sample can simultaneously have the same decay rate at any time ?

Sample of two radioactive nuclides A and B are taken. lambdaa_A and lambda_B are the disintegration constants of A and B respectively. In which of the following cases, the two samples can simultaneously have the same decay rate at any time:

At t=0, a sample of radionuclide A has the same decay rate as a sample of radionuclide B has at t=30min. The disintegration constants are lambda_(A) and lambda_(B) , with lambda_(A)ltlambda_(B) . Will the two samples ever have (simultaneously) the same decay rate?

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 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 :

The decay constants of a radioactive substance for a and b emission are lambda_(a) and lambda_(b) respectively. If the substance emits alpha and beta simultaneously, the average half life of the material will be -

The decay constant of a radioactive substance for a and beta emission are lambda_(a) and lambda_(beta) respectively. It the substance emits a and beta simultaneously, the average half life of the material will be_______

The decay constant of a radioactive substance for a and beta emission are lambda_(a) and lambda_(beta) respectively. It the substance emits a and beta simultaneously, the average half life of the material will be_______

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.