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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 18 - Atoms and Nuclei > At a given instant, say t = 0, two radioactive substances A and B have equal . The ratio of their activities RB/RA decreases according to e^−3t . If the half-life of A is In2, the half-life of B is :

At a given instant, say t = 0, two radioactive substances A and B have equal . The ratio of their activities RB/RA decreases according to e^−3t . If the half-life of A is In2, the half-life of B is :

At a given instant say t = 0 the half-life of B is : two radioactive substances A and B have equal . The ratio of their activities RB/RA decreases according to e^−3t . If the half-life of A is In2