The radio active nuclides `A` and `B` have half lives `t` and `2t` respectivey. If we start an experiment with one mole of each of them, the mole ratio after time interval of `6t` will be

Two radioactive nuclides A and B have half life of t and 2t respectively . If we start an experiment with one mole of each of them, what will be the mole ratio after a time interval of 6 t ?

Two radioactive elements A and B have half life of t and 2t respectively. If we start an experiment with 1 mole of each of them, the mole ratio after a time interval of 6t so x:y . Find the value of x+y

Two radioactive nuclides A and B have half-lives of 20 and 10 minutes respectively. If starts an experiment with one mole of each of them their mole ratio after a time interval of one hour will be

Two radioactive nuclides A and B have half-lives in the ratio 2:3 respectively. An experiment is made with one mole of each of them. Calculate the molar ratio of A and B after a time interval of three times of half-line of A .

Two radioactive substances A and B have half lives of T and 2T respectively. Samples of a and b contain equal number of nuclei initially. After a time 4T , the ratio of the number of undecayed nuclei of A to the number if undecayed nuclei of A to the number of undeacyed nuclei of B is

The radioactive sources A and B of half lives of t hr and 2t hr respectively, initially contain the same number of radioactive atoms. At the end of t hours, their rates of disintegration are in the ratio:

The radioactivity of a sample is A_1 at time t_1 and A_2 at time t_2 If the mean life of the specimen is T , the number of atoms that have disintegrated in the time interval of (t_2 - t_1) is :

Two raidoactive substances A and B Have decay constants 5lambda and lambda respectively. At t=0 they have the same number of nuclei.The ratio of number of nuclei of A to those of B will be after (1/e)^2 a time interval: